Shy, asthmatic Carl Wheezer is Jimmy's right hand man. Unfortunately, that often means that he's Jimmy's guinea pig. Poor Carl's allergic to pretty much everything, so just breathing is hard enough for him. And yet he still agrees to help Jimmy out with his experiments (even if he usually says "I don't know Jimmy..." first). Carl may get a little scared—and a little messy—riding shotgun next to Jimmy, but he always comes out glad for the ride.
