For questions that specifically ask about Colossus from the X-Men franchise; do not use for questions that simply mention the character. Always use in conjunction with the [marvel] tag and any other relevant work tag such as [deadpool]. Use in conjunction with [x-men] when asking about the team of superheroes.
Colossus is a character in the Marvel Universe, specifically from the X-Men.
His real name is Piotr Rasputin. His powers are; to convert the tissue of his entire body into an organic steel-like substance known as osmium, along with superhuman strength stamina, and durability.