Synonyms of clappers

1 Syllable
fan, seer
2 Syllables
looker, gazer, playgoer, showgoer, standee, witness, watcher, viewer, gaper
3 Syllables
theatergoer, stander-by, observer, onlooker, looker-on, moviegoer, kibitzer, beholder, bystander, perceiver, eyewitness