Wolfking Warrior Xxtreme
Here's another one of those left-hand keyboard replacements that come in handy for first-person-shooter games--or so its designers say. Just don't try to type a term paper on it, though, because your head might explode.
Need more weirdness? Check out "[[xref:http://www.pcworld.com/article/165755/the_worlds_weirdest_mice.html|The World's Weirdest Mice|The World's Weirdest Mice]]."