Name ideas?

Gatorade and Crocs

Flame and Spirit

Jinx and Paulo

Lucky (black cat) and Hoax (white cat)

Yin and Yang

Entity & Ghost/spirit

For the blue one - Moonshine (burns with a clear blue flame)
Let’s see if anyone knows the song I am referring to lol

Flary x Aquar

Ummm.... White and black???? (A bad name)