Avenue E makes sense - thanks!

My Batvillain would be The Chef (real name Roland Butter). He would steal secret recipes or rare ingredients and his Battraps will involve attemping to drown the caped crusader in cake mix, roast him in an oven etc. He would leave clues in the form of a recipe.

Very good answers guys, although the TV series rarely applied the comic book real names of the Batvillains (with Mr.Freeze they even changed it to Dr Schivel).

I feel like Chief O'Hara, confused and confounded by that infernal prince of puzzlers!

In "A Riddle a Day Keeps the Riddler Away/When the Rats Away The Mice Will Play" the Riddler asks "What is the beginning of eternity, the end of time and space, the beginning of every end and the end of every race?" The question is never answered in the programme, presumably due ...