The production company for "Go Go Gophers" and "Underdog" is Total Television Productions or TTV, and not Terrytoons. FYI. Total Television also produced "Tennessee Tuxedo and his Tales", "The Beagles" and "King Leonardo and his Short Subjects". Some of the short subjects that appeared on TTV shows include "The World of Commander McBragg", "Klondike Kat", "The Hunter", "The Singalong Family", "Tooter the Turtle". Some people confuse TTV with Jay Ward ("Rocky and Bullwinkle") as the segments for both shows were sometimes interchanged when the series went into syndication, but this is also erroneous. Currently, the TTV properties (as well as Jay Ward's) are owned by Classic Media. Terrytoons produced shows like "Mighty Mouse", "Deputy Dawg" and "The Mighty Heroes" among others...