Heather Hogwarsh is Kassie Carlen's main rival, Ash Ketchum's biggest foe and the love interest of Ryuga appearing in Super Pig. Voiced by Laura Summer (not Maggie Blue O'Hara) she has dark red hair and brown eyes and wears a light blue sleeveless shirt, red skirt, black longstockings and pink dress shoes. At her age, she is 13 years old.
- Lina and Doug Hogwarsh (Parents)
- Hanna Hogwarsh (Younger Sister)
- Mitzi (Pet Cat)
- Ryuga (Love Interest)
- Ash Ketchum (Biggest Foe)
- Being popular to Ryuga
- Feeling cute
- Becoming part of Mel's group
- The way Ash proposes to every girl who is pretty
- Throwing a lot of rages
- Interfering with Kassie
List of Five things she did to Ash Ketchum
- Write on his face with a green marker
- Placing a diaper on him
- Calling him a fraud
- Dragging him away from pretty girls
- Kicking him out of the band
- Heather Hogwarsh has appeared in The Adventures of Ash Ketchum, as one of his biggest foes.
- She is one spoiled brat who hates everything.
- It is revealed that she wants to kick Ash out of the band.
- She is also considered to be one of the popular mean girls in Crossover Universe