Question: What is the writing principle that suggests that events or characters introduced in threes are more humorous, satisfying, or effective in execution of the story and engaging the reader and is used in a novel featuring Allison Gross, a hideous witch?
Sentence (from "List of Misfits characters"): Supporting characters introduced have included Sally (Alex Reid), Pete (Michael Obiora), Superhoodie, Nikki (Ruth Negga), Shaun (Craig Parkinson) and Greg (Shaun Dooley).
Relevant evidence: No