tokens: The character was voiced by Rudolf Ising from 1939 to 1941 , Pinto Colvig in 1941 , Billy Bletcher from 1944 to 1948 , Paul Frees from 1952 until 1954 , Frank Welker in 1980 , Lou Scheimer in 1980 , Scott Innes in 2004 , and Richard McGonagle from 2012 to 2013 .