KISSteria is a cosmic realm. The rock band, KISS, are descendants of a warrior tribe from an unnamed planet there hundreds, if not thousands, of years ago.

Type

Cosmic realm is where

Everything in the realm is powered by music.

This is where the band Kiss  are descendants of a warrior tribe and it's in KISSteria is where Catman and CatGirl are getting married and all of the KISSterian can be cheering that the drummer and the Keytar player are getting married and Elder does the ceremony.

(Thank you ScoobyDoo.Fandom.com for letting me the picture of KISSteria)