Winter Onions are baddies who make their first appearance in Papa Louie 3: When Sundaes Attack!.
Winter Onions are spies for Sarge's infamous Onion Ring. They are usually sent on missions to areas with large amounts snow and frosting. Their hardiness to harsh climates make them a perfect fit for frigid locations. Winter Onions are experts skiers, and can quickly zip down slopes to scope out the lay of the land. They train at Sarge's ski lodge hidden high atop the mountains beyond Mintley Meadows.
Winter onions slide down slopes fast until there are no more slopes that are accessible or if they hit a wall. Then they will proceed to walk like a normal onion in [[Papa Louie 2: When Burgers Attack!]
- When all the Papa Louie baddies are sorted by alphabetical order, Winter Onion is the last one on the list.