Tim Heidecker and Eric Wareheim talk about the awful, dark things that make them laugh " and why playing the UK 'almost feels like a homecoming'Halfway through the fifth season of Tim & Eric's Awesome Show, Great Job!, Will Ferrell makes a cameo appearance in a spoof cable TV advert. As Donald Mahanahan, a specialist breeder and retailer of 'child clowns', Ferrell warns: "Never touch the clowns," his face twisted u…
