Dennis Berardi, founder of Mr. X, pictured in 2017. Vince Talotta/Toronto Star/Getty Images Share on Facebook Share on X Share to Flipboard Send an Email Show additional share options Share on LinkedIn Share on Pinterest Share on Reddit Share on Tumblr Share on Whats App Print the Article Post a Comment Mr. X co-founder Dennis Berardi has got back the rights to his former company name, allowing a rebrand of his current visual effects house, Herne Hill Media, in time for the Toronto Film Festival. That follows Technicolor in 2014 acquiring Mr.