The Mane-iac is a female Earth pony "super-villain" from Maretropolis who appears in the season four episode Power Ponies and the IDW comics' My Little Pony Annual 2014. She is the main antagonist of the comic book superhero team, the Power Ponies. She is called Mane-iac Mayhem in some merchandise.

She is called Mane-iac Mayhem in some merchandise.

She has long tentacle like green hair, green/red eyes and purple fur.