The Spooky Tale of Captain Underpants Hackaween. Word Search Puzzle Solver. The Spooky Tale of Captain Underpants Hackaween word Search Puzzle Game. Find words related to movie actors, actresses, and genres. Word Search Puzzle Solver. When Melvin tries to cancel Halloween clever best friends Harold and George create their own spooky holiday -- and it's a huge success! This includes identifying and searching for words that are related to : David Koechner, Brennan Murray, Patty Mattson, Mindy Sterling, Comedy, Dayci Brookshire, Nat Faxon, Family, Jorge Diaz, Jay Gragnani, Peter Hastings, Kari Wahlgren, Stephen Tobolowsky, Evan Kishiyama, Sean Astin .