He has 2 variants. Sun and moon, moon being out at night and sun being out at day
Moon is more introverted and reserved, he is quite secluded and spooky rather than how cute sun is, he is a softie who is more loving but sweet , his hat is long and he has grey and dark blue
Sun is more extroverted and loving, he is a little too energetic but he will do anything you want to do, he is very kindhearted and soft and he is gold , yellow and has some red on him
Their valves are on their back 