Also referred to as the Primitive Sponge, Caveman SpongeBob originated from a 1999 episode of the cartoon titled “SB-129.” He lived 546 million years ago, during the Cambrian Era, was best friends ...

Remember when SpongeBob SquarePants was all the rage? Obviously our favorite undersea sponge is still plenty popular, but when he was the peak of his popularity it was impossible to look anywhere ...