Bobo

Bobo is a giant clam owned by Rolf. He brings it everywhere with him and hides in it when ever there is danger. Most of the kids are shocked and/or surprised to see it, for when ever they do, they ask "Is that a Giant Clam?" (as shown above), or something similar. In the episode "It Came From Outer Ed" Rolf uses it to protect everyone when he saw Ed's finished Evil Tim's Curse. If it is a fully grown Giant Clam, Bobo would be 4 feet across. Bobo most likely is the safest "place" in the Cul-de-Sac, due to Rolf's use of it in an emergency. Nazz shows some reluctance towards entering the clam, and is apparently allergic to it.