Olive is a Ghost Cat that is playable in the Halloween 2018 and Halloween 2022 games. Olive is the Green Team's pet and is always shown carrying a skeleton fish in it's mouth. Olive is named after the food to go with the team's green motif.
Olive also appears as a costumer on the fifth level of the Bubble Tea Doodle along with fellow ghosts Kelly, Sage and Jade. Olive also appears Blueish White in that Doodle as opposed to Green.