Who is sam

Who is samWho is samWho is samWho is samWho is samWho is sam
Who is samWho is samWho is samWho is samWho is samWho is sam
Who is samWho is samWho is samWho is samWho is samWho is samWho is samWho is samWho is samWho is samWho is samWho is samWho is samWho is samWho is samWho is samWho is samWho is samWho is samWho is samWho is samWho is samWho is samWho is samWho is samWho is samWho is samWho is samWho is samWho is samWho is samWho is samWho is samWho is samWho is sam