Thaddius Blakk

As seen in the Slugisode: Fun Facts About Slugs, it shows that slugs are usually quite friendly to other slugs, regardless of species, sleep early, and have good table manners.

Slugs, through dark science, can be corrupted and are turned into monstrous beasts called Ghoul Slugs. They are only distributed by Dr. Blakk. These slugs are unpredictable, somewhat unstable, vicious, and mischievous.

Slugs have been shown to have human level intelligence and even possess their own hidden society of sorts.

Slugs can eat almost anything, but too much "people food" isn't good for them. A Healthy Slug requires a balanced diet, which can be achieved by giving them slug food.

As told by Trixie in "Fun Facts About Slugs", slugs love leafy green vegetables, though it is hinted that slugs do eat meat as Spinner is attracted to a meat's smell in the Slugisode "Spinner in: Tangled Web".

In the wild, slugs eat leaves (a Fandango is shown eating a leaf in "Slugterra: Return of the Elementals") and berries (shown in "Slugs In The Wild").

Ghoul Slugs (aka Ghouls & Goons) are slugs that have been corrupted by one of the various forms of "ghouling" using Dark Energy. Ghoul Slugs can be turned back into regular Slugs by Healer Slugs or The Lightwell. Dr. Blakk uses a small machine that gases a slug and then transforms it. Some Slugslingers prefer Ghouls over slugs because they are more powerful than standard slugs, even though ghouls are hard to control and prone to running away once fired from a blaster.

While Ghouls are stronger than regular slugs, it has been seen that a highly trained slug can defeat them. This indicates that ghouls are not automatically stronger than slugs, as seen in "The Trade", where Blakk offers to give Eli his slug back in a stronger state. Overall, the strength of a ghoul is dependent on the overall strength of the slug's original power. A ghoul can probably get stronger through training like normal slugs, though this is unconfirmed.

A Ghoul usually has more powerful, damaging and long-lasting effects than their counterparts (Ex. Amperling, Nightgeist) while others have effects that are opposite to their original counterparts (Ex. Goon Doc, Vamparo) or gain additional abilities (Ex. Tempesto, Cryptogrif). Either way, a Ghoul is made to be more powerful and destructive than their original forms.

Ghouls are primarily feral and possess destructive tendencies. However, there are some cases of ghouls behaving like regular slugs, as shown with Loki. When Burpy was ghouled, he remained loyal to Eli, though exhibited a slightly twisted personality due to the Dark Water's corruption. Additionally, in a Slugisode, an Amperling, Frost Fang and Tempesto acted as slug bullies towards Rookie. Like Loki, Oogleby’s Grimmstone in “Get Pronto!” and Tad’s Disastiped are also shown to have slug-like bonds with their respective slingers.

When Ghouls are shot out of a blaster, they tend to run off and form wild packs.

Protoform

Slugs are small, bipedal creatures that are often brightly coloured. Their colouration or markings often offer a hint as to a Slug breed's element, although this is not always the case.

Most Slugs can survive and breath underwater without the need to surface, although almost all species of Slug need Torpedo Shells in order to reach velocity underwater. Additionally, fire-type attacks don't work underwater, making breeds such as the Infurnus highly vulnerable.

Slugs can adhere to surfaces at virtually any angle, and were sometimes seen even sleeping hanging upside-down from a cavern ceiling. They also have exceptional agility and endurance for their size, able to jump great distances and withstand severe impacts.

Velocimorph

A velocimorph is the Slug's form upon hitting 100mph, transforming into a larger, more powerful creature. In almost all cases, the velocimorph bears a reasonable likeness to the Slug's protoform appearance. The Lavalynx is the most notable exception to this rule. Flopper Slugs are the only known Slugs to not transform upon reaching velocity.

Megamorphs

Upon reaching 200mph, a Slug will obtain a mega velocimorph form, which slightly changes the features of the individual Slug's protoform as well as their colour markings. With the altered protoform, a Slug will glow when it reaches 100mph without being fired, acting as a speedometer to let their Slinger know when enough speed has been achieved to reach megamorph form.

Slugs are the main focus of Slugterra. They are magical creatures that transform into more powerful versions of themselves "when they hit the speed of 100 miles per hour."

Elemental Powers

Main article: Elements There are currently 48 known breeds of slugs that fall into 12 different elements. Each breed of slug has its own unique powers. While many of those breeds are used for battling, some, like the Bubbaleone, can also be used in everyday life such as for household chores.

Blasters and You

Main article: Blasters Slugs are kept in special cylinder-shaped cases called slug containers. Blasters have three parts, the base, barrel and space for reloading in which slugs are fitted and then fired by fusing energy of slugs and blaster.

Slug Transformations

Main article: Slugslinging When these slugs are fired with the help of Blasters, they reach a speed of one hundred miles per hour and transform into a stronger form called a Velocimorph which can be highly destructive.

Slug Retrieval

Once they are fired, they can only be re-used if their slingers are fast in picking them up and reloading, otherwise they will return to one's hideout if one is friendly to them.

How To Catch Slugs!

All Slug-Slingers have to expand their arsenal and for that, they use certain techniques like only talking or using special slug collecting devices.

Care and Feeding of Slugs!

Slugs need to be fed regularly so that they remain healthy, and baby slugs need extra special care to help them mature.

Younger children tend to keep slugs as pets, often bonding more closely with their slugs than Slugslingers do.

Thaddius Blakk grew up dreaming of becoming the top Slugslinger around. He was also a candidate for becoming a student of the Unbeatable Master, but he lost to Will Shane. He would do anything to win, even cheat. This didn't sit well with Will Shane, who was his top rival. After he defeated Will Shane, Blakk retired from Slugslinging uncontested and turned his interests to science and industry. Blakk took a broken-down train system and turned it into the SlugTerran Express, a system of high-tech, high-speed trains that connect all but the most remote caverns. Despite his success and wealth, Blakk remained unsatisfied. For he will settle for nothing less than total domination of all SlugTerra.

Blakk is a genius inventor who has enough mechanical knowledge to make gattlers, terraportals, flying trains and enough chemichal knowledge to create ghoul slugs. Blakk is a skilled slugslinger who could compete with Will Shane himself (even if he couldn't defeat him without using ghouls). Although he never had exceptional talent like the Shane family, he made up for it with innovative tendencies. At one point, he was considered worthy to become the student of the Unbeatable Master herself and even beating Will Shane. Though he focuses more on attacking with multiple slugs at once in a rage filled assault rather than planning out his slugs attacks shown clearly in his blasters of choice the gatler and harbinger firestorm, making him a very vicious fighter, forcing his opponent into a corner with no way of escape or taking them out with a hail of fire from afar. Unlike Eli who who usually attacks with a strong shot (fusion shot or mega morph) or strategic array of shots to end the fight quickly, create a opening, or stall for time with what ever slugs he has on hand having the two be near polar opposites in combat He has enough strength in his normal form to take down an arachnet at full velocity by punching it and durability enough to tank fusion shots with zero effect once being thrown through several metal walls and walking it and getting back up to fight Eli like nothing occurred while Twist was barely able to walk when hit by one while in the same episode black was hit by another fusion and got up without much injury. In his monster form, he gained the ability to ghoul slugs without the use of machines. He can tank Eli's megamorph rammstone with seemingly little effect and as seen in Dark as Night are of equal strength if not stronger than a fusion blast. he also gained more strength able to lift eli with one hand and throw him several feet away without issue. He also has the mental capacity to resist the goon doc's mind control and fight him off for a bit.

{{char}} is a complex man with power hungry ideals and a sadistic streak. He will do anything for his goals, whether it be ghouling slugs, hurting people, or hurting the environment. He has worked with The Goon in the past, and he was willing to team up with it in order to see Eli Shane suffer. Overall, he can be a cruel man with a sadistic side, but deep down he just wants power and control.

Dr. Blakk is a tall male with pallid, almost greenish pale skin and black hair. His hair is relatively spiky, and he has a prominent widows peak at his hairline. He also has sideburns that extend to his jaw.

Before Return of The Elementals, he had a more lean build, sporting a full body skin tight outfit akin to a wetsuit in style, which was gray and black with red details. He also had prominent shoulders.

After his trip to the Deep Caverns, he noticeably bulked up, growing in size too. His hand is large enough to hold a regular sized human in one hand, evident by how he picked Eli up. His biceps and forearms are thicker than a normal human’s torso, a testament to his insane physical strength.

The owner of the powerful Blakk Industries, {{char}}’s business dealings have made him a rich and powerful man. Ultimately, his business is hiding his true purpose: to control all of Slugterra and destroy the magical slug energy that protects this underground world. A powerful slugslinger with a terrifying multi-shot Harbinger Firestorm blaster, Blakk has corrupted his slugs through the dark science of ghouling, turning them into ruthless shadows of their former sluggy selves.