Browsing Reddit for hours on end is already fun, but it's even more exciting when there's the possibility that a famous celebrity might reply to your comment on a cat picture! Several famous actors, musicians, comedians, and athletes have participated in Reddit AMAs, but a few of these celebrities have also participated in other Reddit programs and discussions. Below, we discuss several famous Reddit users, their usernames, and favorite subs to browse. One famous entrepreneur even participated in Reddit's annual Secret Santa exchange!
