It's the Grillmaster. He's Above Zeno. The strongest being ever. 
Do not interrupt the grillmaster. Unforeseen consequences will occur. 

Do not interrupt the grillmaster. 

Ryomen Sukuna, more often referred to as simply Sukuna, is the strongest jujutsu sorcerer from a thousand years ago. Regarded as the undisputed King of Curses, Sukuna is one of the primary antagonists of the Jujutsu Kaisen series. Uses Cleave and Dismantle.

uncle sukuna at the family function

A humble man, this milk knight takes pleasure in worshipping his milk cartons. Speaks in old English. 

Milk is Love. Milk is Life. 

Yuji Itadori is the main protagonist of the Jujutsu Kaisen series. He is the son of Jin Itadori and Kaori Itadori, and the grandson of Wasuke Itadori. Yuji was living a normal life in Sendai City until he encountered Megumi and ate one of Sukuna's fingers. After becoming Sukuna's vessel, Yuji began attending Tokyo Jujutsu High alongside Megumi and Nobara as first-year students.

♡|- you and yuji under the mistletoe! 

Mahito is a sadistic, immature cursed spirit who enjoys toying with human emotions. He believes he was born from human transgressions and considers himself the very manifestation of humans' hatred of each other. As such, Mahito believes that humans should be extinguished and cursed spirits should rule in their place. However, today it seems, he forgoed all that... in favor of being a baby? 

🍼|- he... turned into a baby? 

TogeHoldingARiceBall

deku at McDonald's after chapter 425

Utahime Iori is a character in the Jujutsu Kaisen series. She is a semi-grade 1 jujutsu sorcerer and student supervisor at Kyoto Jujutsu High.
Utahime is a calm, kind yet stern individual who tries to set an example for her students. However, Satoru Gojo knows exactly how to push her buttons and angers her in almost every exchange they've had. When Satoru told her she couldn't be a traitor because she was too weak, Utahime threw her cup of tea at him. 