Kowalski (voiced by Chris Miller in movies, and Jeff Bennett in series) is a character of the Madagascar franchise, and serves as the brains of Skipper's platoon. In Jaden goes to Madagascar, he escaped with the other penguins from the Central Park Zoo to get to Antartica. After getting there, they hate. So, they went to Madagascar, and helped Marty, Jaden, and the others fight off the Fossa.
- Kowalski will appear again in Jaden's Adventures of Madagascar 2.
- Kowalski will appear again in Jaden's Adventures of Madagascar 3.
- Kowalski will guest star in Jaden meets Rudolph the Red Nosed Reindeer.
- Kowalski will meet Jeffrey and his team in Jeffrey & Friends go to Madagascar.
- He'll reunite with them in Jeffrey & Friends' Adventures of Madagascar: Escape 2 Africa.
- Kowalski will guest star in Jeffrey & Friends' Storm Adventures of Sly Cooper and the Thievius Raccoonus. At the end, he'll join the team along with Skipper, Rico, Private and Kiva.
- In Jeffrey, Jaden & Friends' Storm Adventures of Penguins of Madagascar, Kowalski falls in love with a snowy owl named Eva.