Sludgy

Not to be confused with Sluggy

Bio
Sludgy is a gray colossal squid who is the son of Squiddie. He is about the size of Lumpy, being a child. He loves going out of the water, and is shown to be more energetic than his slow, lonely, father.

Sludgy is described as an energetic character who plays with his friends a lot. However, most characters are scared of him due to his size and the myths about colossal squids dragging ships underwater.

Trivia
He is the first colossal squid (in HTF form).