Václav "Iceman" Žáček (born January 17, 1978, in Prague) is a Czech professional extreme sport athlete who performs freestyle on a personal watercraft. He is a founding member of the Freestyle Personal Watercraft Association (FPWCA) and founder and organizer of the US and European Freestyle Championships on personal watercraft. He is also a former member of the Czech boy band T-Boyz, and was a hip hop DJ, radio host and music producer.