- He made a cameo in "Are We There, Yet?" where he was seen with Baby Wile E. chasing him. The rest were songs.
- He is another character to never be seen wearing a diaper.
Minor: Baby Pepe • Baby Marvin • Puppy K-9 • Baby Elmer • Baby Foghorn • Puppy Barnyard • Baby Porky • Baby Wile E. • Baby Road Runner • Baby Gossamer • Baby Duck Dodgers • Baby Instant Martians • Baby Michigan • Puppy Marc Antony • Baby Samhttp://babylooneytunes.wikia.com/index.php?title=Baby_Road_Runner&action=edit§ion=1