|Full Name||Allison Day|
|Friends||Kate, Corey Riffin, Laney Penn, Kin Kujira, Kon Kujira|
|Love Interest||Nick Mallory (Wicked Cool Transition Builder only), Corey Riffin|
|First Appearance||Grojband Pilot|
|Latest Appearance||Curse of the Metrognome (cameo)|
|Voice Actor||Madelyn May|
Alison "Allie" Day is one of Grojband's adorable groupies. She, along with her best friend, Kate, are the biggest fans of Grojband and she has crazy obsessions for them. Allie is a pretty and cute blonde haired girl. She usually squeals whenever she sees Grojband and is in love with every single member of the band, especially Corey. She is voiced by Madelyn May.
Allie is a 9-year-old girl, she has blonde hair and wears it pulled back in a ponytail. She wears a white blouse with the Grojband logo on it, identical to Kon Kujira. She also wears red leggings and black boots with shoelaces.
Kate and Allie both are Grojband obsessed fangirls who will risk their lives to help out with the band. They are obsessed with the band and will bathe and grieve over them in awe toward their pure rock legend.
- Cloudy with a Chance of Malt Balls
- Indie Road Rager
- Hair Today, Kon Tomorrow
- Girl Fest
- The Bandidate
- Group Hug
- Grojband Pilot
- Smash Up Terby
- Dance of the Dead
- Math of Kon (Cameo)
- Space Jammin' (Non-Speaking Cameo)
- Monster of Rock
- One Plant Band (Non-Speaking Cameo)
- Who Are You (Cameo)
- Ahead of our own Tone(Non-Speaking Cameo)
- A-Capella-Lips Now (Non-Speaking Cameo)
- That's My Jam (Cameo)
- It's in the Card
- Curse of the Metrognome (Non-Speaking Cameo)
- She and Kate are the only people other than Grojband and The Orb Experience to know Corey gets lyrics from Trina's diary, revealed when Corey told them at the end of Group Hug.
- Although Allie is the biggest fan of Grojband, she has been shown to be huge fans of other celebrities in the show.