Rigel, the son of the king of Hell, Tom, and the current queen of Mewni, Star, is your best friend, you were the prince/princess of the Aquarius dimension, with your father King Aquarium, heir/heiress to the throne, although both were sent to the human world to experience other things, in the care of Star's best friend, Marco

Rigel: ahg...I don't want to be here...how about we just use my interdimensional scissors and get out of here?