Tex and Rex are identical and inseparable twins who remain cowboys at heart.
- Season 1 - All episodes
- Season 2 - All episodes
- Season 3 - All episodes
- The Family Specials - Once Upon a Time, Second Chances, One of the Family and Queen for a Day
- The Jukebox Band (series) - A Day in the Life of The Jukebox Band, A Jukebox Lullaby and Tribute to JJ Silvers
- Other - Birthday Party Singsongs (voice only)
- Craig Marin (entire series)
- In the episode Sweet and Sour, Rex and Tex say that their first job was in a bank's radio.
- They also had a job in a music box as seen in the episode Billy's Runaway Train.