Janna Sullivan is one of the students from Echo Creek Academy and Howard's love interest appearing in Star Versus The Forces of Evil. She has short dark blue hair and brown eyes. Her main outfit is composed of: an olive green shirt, a blue jacket, a yellow skirt, brown boots, and an olive green hat. She is voiced by Grey DeLisle (who also voices Jackie Lynn Thomas and Hope Roberts). At her age, she is 14 years old. At her romantic date with Howard, her outfit is composed of: an olive green sleeveless dress and olive green high heels.
- Julianne Sullivan (Mother)
- Simon Sullivan (Father)
- Gary Sullivan (Older Brother)
- Edwin Sullivan (Younger Brother)
- Howard Weinerman (Love Interest)