In what year did the character for which Daniel Cudmore is best known for portraying first appear?
Daniel Cudmore:  He is perhaps best known for his roles as the mutant Piotr Rasputin / Colossus in the "X-Men" film franchise, and as the Volturi Felix in the "Twilight Saga" films. Colossus (comics):  Created by writer Len Wein and illustrator Dave Cockrum, he first appeared in "Giant-Size X-Men" #1 (May 1975).
1975