Bank robber

Franky Perfish the Bank Robber, in a precognition by SpongeBob, stole SpongeBob's identity and stole from a bank. His only appearance is in the episode, "Missing Identity", he wore a ski mask and the tag on his chest is SpongeBob's Krusty Krab name tag. His Identity was revealed in episode 42- Terrible Bites.

Looks

Franky is a light green fish who wears a blue ski mask and SpongeBob's name tag.