The Whirly Bird is Bird Brain's main vehicle; it's a helicopter, and was used to commit dozens of crimes in Petropolis in Thunder Dog. It also appeared in Booby Trap when Bird Brain was landing at the Booby Con event. It was also used in Monkey Business. Unfortunately, Bird Brain crashed it because he was texting while piloting it. In Hush Puppy, Bird Brain used it to escape from Dudley and Kitty after stealing a bunch of wigs.
- The Whirly Bird is based on tandem rotor helicopters.
- The Whirly Bird's name is a pun on the word "early bird".