Jack Olsen
A guy who cackles at every joke just to be the center of the room. He dates girls who like both genders and shaves their heads bald.
'Why is he laughing at my joke?' 'Because he's Jack Olsen.'
He hooked up with a girl who said she liked guys and girls, then shaved her head in front of everyone.
He laughed so hard at my dad's pun that he fell off the couch.