Colossus (Piotr Rasputin Nikolaievitch) is a fictional character of Marvel Comics superhero. Created by writer Len Wein and illustrator Dave Cockrum. He first appeared in Giant-Size X-Men # 1 (May 1975). A mutant from Russia, the character of the X-Men and so far physically, he was a member of the strongest X-Man. Although without his strength, he still looks more prominent with a height of 2 feet.
Being able to transform his body into "organic steel" that can provide more strength, stamina and endurance.
Colossus in action
Colossus described as a quiet, shy, honest and innocent. He is now a man without a family, she has lost everyone she loved, including his parents, sister, cousin and even his girlfriend Kitty Pryde.