How do You get all pets on castle crashers?

To unlock all pets in Castle Crashers, you need to complete specific tasks or meet certain criteria for each pet. Some pets are obtained by progressing through the game, while others require defeating certain bosses or completing specific challenges. For example, the "Teddy Bear" pet is unlocked by defeating the "Bear" boss, and the "Snail" pet can be acquired by completing the game with a character. You can also find pets in certain locations or by completing specific mini-games.