Jim Lake Jr. is a fictional character from the animated television series Tales of Arcadia, created by Guillermo del Toro. He is a young teenager who discovers a magical amulet that transports him to a hidden world filled with fantastical creatures and adventures. As the main protagonist, Jim takes on the responsibility of becoming a hero and protecting both his world and the magical realm. Throughout the series, Jim is known for his bravery, loyalty, and determination. He forms strong friendships with characters like Claire Nuñez and Toby Domzalski, who assist him in his quest. Jim's journey involves battling various villains, including the powerful Goblin King, while learning valuable lessons about courage and teamwork.