In 1943, RKO created the character Pat Hare, as part of the Whistletoons series produced by Avenue Studios. Pat Hare was voiced by Jackson Beck. Pat Hare's first cartoon "No Fire Mummy" was released on October 1943. The character is similar to Warner Bros.' Bugs Bunny. The first cartoon were in black-and-white, but the rest were in Technicolor. In 1948, Pat Hare won its own series. The series lasted until 1959.