Mercy Corps And The UCBT present MercyCAT, A Fundraiser For Tsunami Relief Efforts. The Upright Citizens Brigade (UCB) Theatre will donate all proceeds it generates from two performances to the Mercy Corps tsunami relief effort. Mercy Corps, a nonprofit organization, has deployed staff and resources in rapid response to the devastating tsunami. The disaster set off one of the largest global relief efforts ever mobilized. MercyCAT, two special performances of UCB Theatre's long-running improv show, ASSSSCAT, will feature celebrities from Saturday Night Live, The Daily Show, VH-1, and more, including: Amy Poehler (Saturday Night Live, The Upright Citizens Brigade) Horatio Sanz (Saturday Night Live) Rob Riggle (Saturday Night Live) Adam McKay (Writer/Director of Anchorman) Rob Corddry (The Daily Show) Ed Helms (The Daily Show) Jon Glaser (Late Night With Conan O'Brien) Paul Scheer (Best Week Ever, VH-1) Rob Huebel (VH-1, Inconsiderate Cell Phone Man) g.