On my mind? The cybernetic rat/dog thing from "Snow Crash" - they had built-in fusion reactors that let them run at hundreds of miles per hour, but needed massive cooling fins to avoid overheating. "Badass: Between Hiro, Raven, Y.T., Uncle Enzo, and the cybernetic rat/dog thing, the book has more badassness than most books should be allowed to have." http://allthetropes.wikia.com/wiki/Snow_Crash
Thing I like, and you might also like.