Gertie

Gertie is one of the secondary antagonists of Ice Age: Collision Course. She is a female Dino-Bird who is Gavin's daughter/henchwoman and Roger's sister.

She is voiced by Stephanie Beatriz.

Personality
Gertie is strong and independent and she also loves her father and likes to help her family.

She can also act mean when she picks on her brother as she sees him as almost useless like her father does.

She, alongside her father, both want revenge on Buck, but in the end of the film, they both reformed.

Unlike her brother, Roger, Gertie is ferocious and she enjoys helping her father's evil plans.

Despite being mean to her brother, Gertie agrees with her brother, Roger that their father shouldn't kill Buck when they reform.

Appearance
Gertie is a Dino-bird who has the same appearance as her father and her brother as all three of them have red feathers, orange eyes, blue scales, a white underbelly and a black beak.

Gertie also appears to be fat.