Pokémon tattoos often symbolize a person's nostalgia and childhood wonder, representing a connection to a carefree and imaginative time in their life. They can also signify a sense of adventure, courage, and perseverance, as embodied by the Pokémon characters and their trainers. Additionally, Pokémon tattoos can represent a person's individuality and creativity, as they often feature unique and personalized designs inspired by the franchise.