Brady's Beasts

A Canadian-French-British animated series, which debuted in 2005 on YTV, about the adventures of 12-year-old Brady Plunkett, who lives in a world where monsters are commonplace and make popular household pets. Brady is the local monster expert in the town of Ravenville; whenever there's a monster problem, be it a rampaging dragon or just a yeti who keeps getting into people's garbage cans, he's the guy you want (TV Tropes)