Bob Sponge is an evil sponge. His has two colors. Yellow and Gray.
He was created in a machine.
He was blown up, and melted several times.
His first appearance was in BobSponge. His second was in Bob Sponge returns. His third was in Bob Sponge's revenge. His fourth was in Doodle revenge. His fifth and finale was in the video game Bob Sponge, Sponge Bob.