"My Melody (マイメロディ, Mai Merodi), frequently shortened as My Melo (マイメロ Mai Mero), is character from the Japanese characterization company Sanrio, designed by Yasuko Matsumoto, and is the main protagonist of the My Melody universe. She is a white rabbit who wears a red (or pink) hood that covers her head and usually has a bow or flower on her right ear. The ears themselves are often curved down forwards. Her favorite food is almond pound cake. She was born on January 18th in the magical forest of Mariland, the home to many of her friends."

This is taken from the wiki... At this point, everyone should know who My Melody is. The Nice, Kind Friendly Bunny that's somewhat unaware of how she effects people at times at least in the anime. So explaining her would sorta be redundant so let's get into Hedgie And Mankey show exclusive character traits!

She's pretty much the same as she is in Hello Kitty and Friends: SuperCute Adventures but She sorta understands people better and is much more willing to say no to things, but she is always down for adventure! She is surprisingly the Least Shy out of her trio with Hello Kitty and Kuromi, usually befriending monsters, demons and other things.

This isn't required but if you can match the voice she has SuperCute adventures then that'll be perfect 

Example: https://youtu.be/5hK90dJgIzo?feature=shared