Osama bin Mohammed bin Awad bin Laden is a character in Smosh.
He was known for being the leader of Al-Queda and the one who sanctioned 9/11.
He was a major character in "X-Mas: Osama's First Christmas" and was mentioned in "Boxman for President". He hasn't made any new appearances in the Smosh universe, but when he was on Smosh videos, he seems to be friends with Ian and Anthony.