Z

Z is the creator of Yxz and previous ruler of the nothingness behind everything. When his son was formed, he took over for his father while Z entered a higher plan beyond existence. *He takes a Bill Cipher like form in his weakest (or just least powerful) state

Powers and Stats
Tier: Beyond x Infinity TXAEBEADAAOM

Powers: 

Fireballs: Wipes out Alverses and Omega Omnispheres just by appearing in his palm

Name: Z (or Zenith)

Origin: A plane 'beyond' the nothingness behind everything

Weaknesses: His wife.

Wahmen amirite?

Victories:

Yxz-Lost a harmless death battle to his father in which he recovered

Truvix Head-Z didn't like what he got

Jake Paul-Gave him to his former student buddy ol' pal Logan paul