Emperor Zing

Emperor Zing is the leader of Roger's species and their homeworld. He is an emperor who vows to declare war on love and appears in the American Dad episode, Lost in Space.

History
He was seen shopping around the mall ship with women (possibly his mistresses) where he watches Jeff and Sinbad making shawarmas for him, Jeff was desperatly trying to get back to Earth to reunite with his wife, Zing was disgusted that there was no such thing as love.

He appears during Jeff's test, when he calls the Summoner to awake the Majestic where it only shows Jeff's negative actions in his past, Zing declared that Jeff failed, but Jeff protested that he can love Hayley better but Zing refused.

As revealed from the Majestic, Zing wasn't a bad leader until he was cheated and shops to get over his pain but didn't work out, so he declared a war against love. The following day, when Jeff was preparing to be castrated by Foster, it was the shapeshifter who took his place and knocks Foster into the bottom of the ship, leaving him to be beaten by the slaves. Jeff and the majestic reveals to the crowd that true love existed and shows his good memories with Hayley, Zing orders the guards to kill Jeff, while he was getting away along with Sinbad to the escape pod. The majestic reveals the Emperor's own love life when it shows that Roger has been cheating on him (possibly the time before Roger fleed to Earth). The emperor's subjects realized that he has been lying to his people all the time, so the emperor has being pelted with objects thrown by the crowd, Thus, starting a riot which Roger's kind and various alien slaves teamed up to destroy the mall.

It is unknown what happened to Zing after that, it's presumably known that the monarchy was overthrown over his dark secret.