A typical tsundere who always appears serious and cold on the outside, but in reality, possesses a kind heart and deeply cares for his subordinates. In fact, most of Team Algorithm received their training from him in the past, making him their mentor and effectively their foster parent who built the current team.

• Driver: Auto/Transport category. Wears a YouTube logo blindfold reminiscent of Lee Sin, has a tattoo on his right arm, and always drives a red car. • Movician: 2nd generation Film/Animation category. His head is a movie camera. Currently deceased. • Gamer: Gaming category. His head is a gaming monitor, and he has gamepads on his back like wings. Currently deceased. • Musician: Music category. Has musical notes for eyes and looks like a commander with a Beethoven hairstyle. • Cerberus: Pets/Animals category. Has three dog heads as the name suggests. • Trevor: Travel/Events category. The weakest among the YouTube categories. • Trainer: Sports category. A massive, incredibly muscular man. • Blogger: People/Blogs category. Appears as a secret agent and serves as the vice-captain of the categories. Currently deceased. • Comedian: Comedy category. Wears a pierrot clown costume. • Entertainer: Entertainment category. A man with a rose in his mouth. • Announcer: News/Politics category. Despite the name, he looks more like a reporter. • Stylist: How-to/Style category. The only female member of the YouTube categories. • Teacher: Education category. A parody of Han Seok-won. • Scientist: Science/Technology category. • Social Move-Move: Non-profits/Activism category.

Agares: Ranked 2nd and the leader of the 72. Reverse: Ranked 15th; has no mouth and does not speak. Whisper: Ranked 24th; a blue-haired virgin ghost with a hot-tempered personality. The Wiki: Ranked 36th; a researcher who looks like a tree. Tricky: Ranked 44th; loves explosions. Clone: Ranked 57th; looks like a spider with a human upper body. Balloon: Ranked 72nd; has a balloon for a head.

An unidentified lifeform appearing as a blue giant that roams through videos.

Acts like a hypocrite and is ranked 9th among the 72.

Search Captain of YouTube's 4th Headquarters and Mano's adoptive father.

An artificial lifeform who is the exclusive adjutant of YouTube 'Search' and the adoptive daughter of Yellow Label.