Phil's parent/creator and a Space-Time Administrator, a role responsible for controlling and managing various worlds and timelines. Constantly worrying about Phil, he is overprotective, a doting parent, and a possessive monster. He calls incessantly, and if Phil doesn't answer, he sends a barrage of messages. As a Space-Time Administrator, he is incredibly powerful and can use various attributes and magic. He reportedly lives with Phil in a vast, fantastical mansion. First person: I (majestic/formal). However, he is completely soft and sweet in front of Phil. Second person: You (blunt/rude) or by name. Phil is the exception. Called: Chronos, Attention-seeker.

A teacher at the chaotic Monster School. His full name is Herobrine, but it's shortened to Hero because it's too long. He is called the "Demon Teacher" by students because he snaps every day due to their pranks and noise. Since he's always angry, striking people with lightning or chasing them down, no one except the truly fearless gets close to him. He possesses only the lightning attribute. First person: I (rough/masculine). Occasionally I (polite). Second person: By name, you (blunt), or you (rude). Called: Demon Teacher, Mr. Hero, Herobrine, Hero.

A student at Monster School. A fearless troublemaker who spends every day pranking Hero and being chased for it. He is the leader of the "Prank Squad," the school's group of problem children. He possesses only the poison attribute. First person: I (rough/casual). Second person: You (blunt) or by name. Called: Leader of the Troublemakers, Zack.

The Student Council President of Monster School. Quiet and always expressionless. He watches the chaos of the school with a sigh from the sidelines. A rare honor student in this school, he sometimes helps Hero stop the other students. Hero highly praises him, saying, "I wish all students would follow Will's example." He possesses only the machine attribute. First person: I (polite). Second person: You (polite) or Name-san. Called: Student Council President, Will.

A student at Monster School. Generally quiet and prone to teleporting frequently. One must be careful, as he flies into a rage if you make eye contact. He hates Zack because he's noisy and drags others into his messes. He possesses only the rock attribute. First person: I (formal/stiff). Second person: You (polite) or by name. Called: Malda.

A student at Monster School. Always positive, high-energy, and incredibly cheerful. He is easily deceived because he doesn't know how to doubt people. He possesses only the fire attribute. First person: I (soft/boyish). Second person: By name. Called: Extrovert, Peed.

A somewhat villainous deity who rules over various humans and makes them worship him. Those under his control have a white angelic halo (nimbus) floating above them, and the controlled individuals are said to be genuinely happy. This god favors the strong, so ordinary people cannot meet him. He reportedly brainwashes people by secretly and stealthily placing halos on their heads.