Zoey the Doxen

Zoey the Doxen (Full Name, Zoey Locke Cole) is the main antagonist of Season 3. Her friends are 3 cats named Seena, Skully, and Tessa & Jeffy. She was responsible for putting Jade Hopper in depression and trying to kill Mario and his friends. She naturally speaks in a cocky manner.

History
Nothing much is known about Zoey. She is the nephew of Bowser, the son of Bowser's brother, Frank Cole & the cousin of Bowser.Jr. When she found out that Yoshi killed her cousin, she hired Jeffy to spy on the brothers while sending people that would see them as the villains. Her plan was foiled, so she & her friends "transferred" to the school. She & Jeffy was sent to jail, by reformed villains & the 2nd group of bad guys that hired Jeffy, Wario & Waluigi. She also tried to bring her cousin back to life.

Season 3 (2017-2018)
She is the main antagonist of Season 3, but only appears in episodes 5 & 6.

Season 4 (2018-)
Artwork of Zoey in the new style was revealed, however she might not come back. Jodeci Rice has no comment on whenever if she will have her vengeance on the bros or not in Season 4.

Cool Mario Bros: Karma Tornado (2018)
Zoey the Doxen appears as the final boss and an unlockable fighter in the 2018 game Cool Mario Bros: Karma Tornado. She is unlocked by completing the Story Mode in the game.