national endowment of the arts Two bears with cheerful spirits, Yogi Bear and Boo Boo are also the most effective duos coming from all times. They first appeared in 1958 and 36 months later earned their very own cartoon series. Yogi is smarter than all bears, but also, he carries a very joyful soul which brings happiness to the watchers. However, Boo Boo will be the the one that always save them from your many troubles they encounter. Living in the fictional Jellystone Park, Yogi Bear & Boo Boo is extremely recognizable cartoon duo.