Spongy

Spongy is a freakishly large sponge in BFDI. He often gets eliminated due to his obesity and smelliness. He's a lot different than Nickelodeon's favorite animated character, Spongebob Squarepants from the TV show of the same name.

BFAH
Spongy is the 1st contestant eliminated in the merge, because he was fat and smelly. He was useful, as seen in the Mario and the TLC challenges.

Trivia

 * Spongy is the 2nd and the 2nd last contestant to be eliminated in BFDI.