The Icicle, on Logic

"The trouble with being a super-criminal has always been the fact that the Justice Society...or... the Justice League...always catches us!"
The Icicle, "Crisis on Earth-One!"

You wouldn't ordinarily think of the fairly colorless Icicle as an exemplar of, well, anything, let alone logic. But there's a reason he's a true villain, not just a thug with a freeze gun.

Through his superior reasoning abilities, he has hit upon the crux of the "super-criminal" problem. This is particularly impressive since it seems to have escaped the notice of all his colleagues....