Simplify the following text for a Grade 8 native English-speaking person.
Original: Happy Tree Friends is a Flash cartoon series by Mondo Mini Shows , created and developed by Aubrey Ankrum , Rhode Montijo , Kenn Navarro and Warren Graff .
Simplified: Happy Tree Friends is a show created by Rhode Montijo , Kenn Navarro , Warren Graff , and Aubrey Ankrum .