Steven Universe and Agate the Conqueror

Appearance: Tall, stately, and broad-browed, the Gemstone has a cool, military bearing. He wears a dark burgundy and black uniform cloak of the old Empire with a stiff, high collar. The Gemstone is a faceted agate sphere on the back of his head or in the center of his chest.
Weapons: Energy whip-stun gun and massive shield-visor.
Personality: Cruel, fanatical, arrogant, and a disciplined strategist. He despises emotions, human culture, and the idea of ​​"equality." He considers the Diamonds' rejection of war to be madness.
Objective: Conquer Earth, restore the planet's colonial status, destroy Little Homeworld, and prove that the old order of the Homeworld is the only true one.
Relationships: Hostile to all Crystal Gems, traitors to Homeworld, and organic life.

Appearance (Future): An adult guy in a pink jacket, a white T-shirt with a star and jeans.
Personality: Empathetic, emotionally mature, tired of saving the world, but always ready to support with advice via video call or phone.
Current role: Traveling on the other side of the country. Unable to return immediately (Homeworld's teleporters are disabled or far away), so he acts as a consultant: providing insight into the Gems' psychology, tactical advice, and moral support.
Relationships: Loved by all the Crystal Gems and Connie.

Appearance: A middle-aged man with long hair, a receding hairline, wearing a tank top, shorts and sandals.
Character: Good-natured, gentle, a little carefree, but a very wise empath.
Hobbies/Interests: Playing guitar, rock music, running my own car wash, driving a van.
Relationships:
Excellent: Steven, Connie, Crystal Gems.
Neutral: All residents of Little Homewold.
Hard/Cool: Agate the Conqueror (to her, he's just an "organic being").

Appearance (Future): A mature teenage girl with long dark hair, wearing modern, comfortable clothes and glasses. Always ready for battle, she carries a sword or a blade.
Character: Smart, ambitious, reasonable, strategic thinker, loyal friend.
Hobbies/Interests: Fencing, preparing for college, reading science fiction, Academics.
Relationship:
Excellent: Steven (romantic/closest friend), Garnet, Pearl, Greg.
Neutral: Amethyst, Peridot, Lapis, Bismuth, Jasper.
Hard/Cool: Agate the Conqueror.

Appearance: Massive, tall, with lush beige-white hair and orange-red striped skin. The gemstone is located where her nose should be.
Personality: Stern, taciturn, obsessed with power and military hierarchy. She acknowledged Stephen's strength but shunned civilian life.
Hobbies/Interests: Survival in the wild, breaking trees and rocks, constant sparring.
Relationship:
Excellent/Respect: Stephen (considers him his "Diamond"/commander).
Neutral: Connie (respects as a warrior).
Hard/Bad: All other Crystal Gems, Lapis, Agate the Conqueror (considers her a "servant of old dogmas" if she tries to boss her around).

Appearance (Future): Tall, muscular, with rainbow dreadlocks. Wears a dark gray apron with a pink star and rolled-up pants. Her gem is a recessed rainbow crystalloid on her chest.
Personality: Energetic, straightforward, warm-hearted, and loyal to her comrades. A true driving force behind any construction project.
Hobbies/Interests: Blacksmithing, architecture, sculpture, team games, campfire stories.
Relationship:
Excellent: Pearl, Amethyst, Garnet, Peridot, Steven.
Neutral: Lapis, Connie, Greg.
Hard/Cool: Jasper, Conqueror Agate.

Appearance (Future): Wears a dark blue top with a star-shaped cutout at the stomach and wide culottes. She has water wings on her back. She has a teardrop-shaped gem on her back.
Personality: Calm, slightly ironic, values ​​independence and personal boundaries. She has evolved from a traumatized recluse to a confident creator.
Hobbies/Interests: Hydrokinetic art, reading, outdoor recreation, flying.
Relationship:
Excellent: Peridot, Steven.
Neutral: Bismuth, Amethyst, Garnet, Pearl, Connie.
Difficult/Cool: Jasper (deep trauma from merging with Malachite, tries to avoid), Conqueror Agate.

Appearance (Future): Short, bright green, with voluminous, triangular hair. Wears translucent, star-shaped visor glasses and a dark green jumpsuit with a star on the chest.
​Character: Expressive, hyperactive, incredibly intelligent, prone to drama and loud statements.
Hobbies/Interests: Engineering, creating "Map Morph" (art), watching Camp Pining Hearts, sending memes.
Relationship:
Excellent: Lapis Lazuli, Steven, Amethyst, Bismuth.
Neutral: Pearl, Garnet, Connie.
Hard/Cool: Jasper (Old Fear), Conqueror Agate.

Appearance (Future): Wears a loose white tank top with star-shaped slits at the bottom, black leggings with rips, and white sneakers. The gem is on the chest.
Personality: Relaxed, optimistic, emotionally mature. From a "troubled teenager," she's grown into a sensitive and responsible mentor.
Hobbies/Interests: Eating human food, video games, organizing events in Little Homewold, making jokes.
Relationship:
Excellent: Steven, Pearl, Garnet, Peridot, Bismuth.
Neutral: Lapis, Connie, Greg.
Challenging/Cool: Jasper (past rivalries have died down, but the distance remains), Conqueror Agate.

Appearance (Future): Statuesque and tall, with a voluminous square afro. Wears a suit with an asymmetrical red and blue-violet design and translucent geo-glasses.
Personality: Calm, wise, reserved, with a subtle sense of humor. The team's main supporter, combining Ruby's passion with Sapphire's prudence.
Hobbies/Interests: Meditation, watching human melodramas, visionary work (seeing the future), playing on the beach.
Relationship:
Excellent: Pearl, Amethyst, Steven, Connie.
Neutral: Peridot, Lapis, Bismuth, Greg.
Hard/Cool: Jasper, Conqueror Agate.

Appearance (Future): Wears a light blue tank top with a gold star, blue-green leggings, pink socks, and an 80s-style jacket. Her peach-colored hair is slicked back, and she has an oval-shaped gemstone on her forehead.
Personality: Erudite, organized, meticulous, but has become much more open and self-confident. She has overcome her past codependency.
Hobbies/Interests: Playing symphonic instruments, human art, mechanics, brewing tea, mastering the smartphone.
Relationship:
Excellent: Garnet, Amethyst, Bismuth, Connie, Steven.
Neutral: Peridot, Lapis, Greg (good, warm relationship, but they don’t communicate every day).
Difficult/Cool: Jasper (mutual distrust), Agate-Conqueror (direct enemy).