[5] Other appearances over the years include Plan Nine from Vortox (MU Press), as well as in Furrlough (Radio Comix), Valiant Varmints and SFA Spotlight #14 (Shanda Fantasy Arts).

Notably, he has battled the mind control attempts of Vortoxians (a malevolent race of alien marketing experts), the Ditsy entertainment empire (a parody of The Walt Disney Company), and Video Zombies.

Some unusual opponents he has fought include the Ether Bunny (a rabbit bank-robber who uses airborne incapacitating agents on his victims), Percival Ulmer "P.U."

Evolcraft (a somewhat deranged occultist and a satire on H. P. Lovecraft), ambulatory living toilets, the movie monster Ferdie Cruller (a pun on Freddy Krueger), the Dero (a subterranean race), an army of incompetent and dull-witted invaders from the planet "Ineptune", and his own evil duplicate.

Several episodes reveal that his base of operations is an apartment in an unnamed city in New Jersey (creator J.P. Morgan was a resident of Keansburg, NJ), and his friend Skip Squirrelhard is his upstairs neighbor.