Jean-François Mercier (born July 19, 1967) is a comedian, screenwriter and television host from Quebec, Canada. He gained recognition through TV shows appearances in The Mike Ward Show in the early 2000s, where he played a recurring character known as The Frustrated Guy. Mercier later had his own one-man show, appeared several times at Montreal's French comedy festival Just For Laughs and was one of the screenwriters of TV show Les Bougon. He hosted a late-night talk show Un gars le soir at V.