Gavin is a Dino-bird and the former main antagonist of Blue Sky's 11th animated feature film, Ice Age: Collision Course. He is the father of Roger and Gertie. He is voiced by Nick Offerman, who also voiced Metalbeard from The Lego Movie, Norman in the 2016 musical film Sing, and Marshal Widdon Scott in the 2018 animated film adaptation of White Fang.
Gavin is a grey Dino-bird with red feathers, a black beak and greenish yellow eyes.
He also has a gray body and teal-blue scales and a gray underbelly.
- Gavin is the only main antagonist in the Ice Age franchise that reformed.
- Gavin, along with Gertie and Roger, were the first dinosaurs to move to the Herd Valley.
- Gavin was received negatively by the critics who considered him the "worst Ice Age's villain" for him having no originality and his redemption.