You may only name one.
It’s the rare case where the most popular thing is also the best thing.
Adam X the eXtreme of course!
Maggott. He’s so cool he’s blue!
Well if you want to be literal about it - Iceman.
Otherwise, Jamie Madrox.
Nightcrawler. Hands downs.
Of course it’s Nightcrawler. This thread should be for second place.
Which one is that: Rembrandt? Van Gogh?
That’s Egon Schiele turtle, I think.
Or is she just cold? Is there a difference between cool and cold?
Once upon a time, Wolverine.