Backpacky

Backpacky (Korean: 배낭이, baenangi) is an Epic Pet that was released alongside its owner,, during the grand opening of Season 3: Secrets of the Lost City update. It creates Adventure Supply Jellies in sets, which each have different effects spawn with them.

Story
''It's an awesome backpack you don't need to carry. And when the temperature drops during the night, you can actually use it to warm yourself up.''

Trivia

 * One of its beta designs was converted years later into Fluffy Bread, featured in a game Backpacky did not appear in.
 * Backpacky has appeared in the Dice Battle event, which is rather unique as the event usually pertains to only Cookies.