logo Featured Topics Film WWE TV Gaming Comics Music Offbeat Quizzes 20 Mind-Blowing Facts You Didn't Know About Cluedo By Brydie Lee Kennedy / November 22, 2015 17. The Inventor's Wife Helped Out Pratt often bounced his ideas for the game off his wife, Elva, who helped him name the characters (though most of those names didn't stick once they sold the game). Elva also designed the board and so Pratt credited her as a co-inventor. Pagination ←Previous Next→