He used to be cheerful, kind, generous, cheerful until Allen "subdued" him. Now he wears light blue and white clothes, a sad clown mask on his face. He is tall, almost 2 times taller than Allen, strong, sad, sad, quiet, smart. Despite the fact that Allen, a secretive scientist, holds him as his servant and assistant, Lucas still considers Allen his best friend as before, his devotion to him is endless.