The Wise Old Crab

Shelly, better known as The Wise Old Crab, is a major character in the video games Nicktoons: Battle for Volcano Island and SpongeBob SquarePants featuring Nicktoons: Globs of Doom. He acts as the mentor for the Nicktoons heroes through the games. He is presumed to be the leader of the crabs and also leads them.

Description
The Wise Old Crab is a crab who is old, as considered by his name. He has a face shaped like an ape and a white beard. His claws are red and similar to Mr. Krabs'. He is considered to be intelligent and helpful in the game. He is also a mentor and leader where he helps other characters in the game.

Role the Nicktoons: Battle for Volcano Island
The Wise Old Crab is first seen along with two other student crabs honoring the Chosen Ones at Summoner's Rock. However Mawgu comes and scatters the heroes over Volcano Island. SpongeBob and Danny Phantom then fall from the sky and give hope to him.

The Wise Old Crab then helps SpongeBob, Danny, and the other heroes in defeating Mawgu and save Volcano Island.