There is another style of tsukkomi called 'nori-tsukkomi' in which a tsukkomi person does not butt in the boke's joke immediately, but develops the joke further before butting in.
即座にツッコミを入れず、ツッコミ役がボケを更に広げた後にツッコミを入れる「ノリツッコミ」と呼ばれるものも存在する。