GreyBob

GreyBob is a fan made character on Spongebob Squarepants.

Appearance
He appears to be a dark, grey version of Spongebob.

Personality
Not much is known about him for now, but he's suppose to have a similar personality to Spongebob, but slightly more smart and mature, but he is usually very angry when he's around Spongebob and possibly is other pals.

Show appearance
It's currently unknown where he will appear at.

Trivia
Greybob is confirmed to be the ??????? SpongeBob.

He appears in the " Spongebob's Singy Eaty Time Attraction" series, but as an animatronic.