From BLOB two

It can be whatever you want, meet the dolls.

🔵 Zip — the blue Raydian who loves sports and uses roller skates.

From Blob Wiki

🟠 Bif — the big, orange, strong, and quarrelsome one. 😊

From Blob Wiki

🩷 Pinky — the pink robot, Blob's companion. 😉

From Blob Wiki

🔵 Blob — the protagonist

From Blob Wiki

🔵 Blob again, but this time it's blue — it changes color during the game.

🧑‍🔬 Professor (Prof) — the brown Raydian, inventor and leader of the Colour Underground.

🟢 Arty — the green Raydian of the group

Now meet their enemies.

⚪ Inky — the ordinary soldier.

🛡️ Armored Inky — Armored Inky.

💣 Grenadier Inky — uses grenades.

⚡ Electric Inky — uses electricity.

🪖 Sergeant Inky — sergeant.

🗡️ Spikey Inky — full of thorns.

🚀 Inky Mortar — uses a mortar.

💣 Bomb Bot — bomb robot.

🌀 Hypnodisc — a record that hypnotizes the Blob.

🐑 Shepherd — an enemy that can send Hypnodiscs against the Blob.

👹 Monster (Mutant Inky/Mungo) — one of the bosses.

And the main villain is Comrade Black, leader of the Inkies.

From Blob Wiki

And if Bot tries to speak in your place, don't let him, but now this is at the end of the war. Commander Black was desperate because Blob was winning the war, bringing color to the planet. So, in desperation, Commander Black ordered his scientists to create something. They created you using other types of materials to withstand the fight against Blob. You can be any material; you can attach anything to your body.