Boo Boo Bear is Yogi Bear's sidekick appearing in the original Yogi Bear. He is usually more moral than Yogi. Boo Boo makes two appearances in the show.
Here Thar Be Dwarves!
Boo Boo and Yogi try to swipe Billy's picnic basket. When he won't give it up, they start chasing him until he enters a cave which bears are afraid of. At the end of the episode, they are seen watching Billy's performance of "I Love You".
Irwin Gets a Clue
Boo Boo is run over by Hoss Delgado's truck along with Yogi and a few other Hanna Barbera characters.