The Koala Kid was a minor character from the Aladdin episode "The Animal Kingdom". He was climbing the dam to see what was outside of the city, which of course was against the rules. He was rescued by Aladdin when the cliffs gave way.
Throughout the episode, he tried to prove to Queen Kimbla that Aladdin was a good-natured man.
Role in the episode
When Aladdin first happened upon him, the Koala Kid was climbing the dam. But the cliffs gave way beneath him, so Aladdin and Carpet decided to rescue him. Aladdin saved the Koala Kid but ended up injuring his arm in the process.