It's the bird from this old nostalgic video from years ago that i remember watching a lot when i was younger https://www.youtube.com/watch?v=5OBV5mf0WJE

So here's this tribute art to it with the bouncy bird (idk the actual name of this and i'm not sure if it even has a name)

Angry Birds by Rovio

Bouncy Bird by TomLG1992

Art by Me