You cant pick up puss in boots gba?

In "Puss in Boots" for the Game Boy Advance, you can't pick up the character because it's not a collectible or an item in the game mechanics. The gameplay focuses on platforming and completing levels rather than collecting characters. If you're having trouble with a specific part of the game, it might be due to needing to complete certain objectives or levels first. Check the game's instructions or guides for tips on progressing further.