Kaysar Ridha (born August 10, 1980) is a contestant on Big Brother 6, a reality tv series in the US shown on CBS. Kaysar, a Muslim from Iraq, is a Graphic Designer whom previously resided in Irvine, California. He became HoH (Head of Household) for the third week of the show, but was put up for eviction the week afterwards. Kaysar was evicted from the Big Brother house on August 4, 2005. On the evening of his eviction, host Julie Chen revealed that America could vote back in a previously-evicted houseguest: Michael Donnellan, Eric Littmann, or Kaysar. On August 11, it was revealed that Kaysar won with an overwhelming 82% of the votes, and was allowed back into the house.