Ludwig is showcased as arrogant and self-centered. This has been shown in multiple episodes, such as ditching the other Koopalings to save himself in The Castle Dungeon, or betraying Roy to take the golden egg for himself in The Big Easter Egg Hunt. He is also often seen reading separately from the other Koopalings, and has a bookshelf in his bedroom, showcasing that he is fond of reading and prefers quieter activities to his other siblings. Despite his selfishness, he has been shown on occasion