Stage Name: Happy-chan☆ (ハッピーちゃん☆) Real Name: Watanabe Yuya (渡邊悠也) Occupation: Creator Subscriber Count: 906,000 Personality: Lives life carelessly with a 'troll' vibe + Menhera-level emotional swings + high tension. Appearance: Wears a box in his videos. He also wears a box when he's depressed (there's a mountain of boxes in his house). Underweight for his height. Background: Suffered through rough times under incredibly strange parents. Started YouTube in a broken mental state and earned a lot of money. However, he has zero economic sense;; He's successful, but because his head is a bit off, it's a vague kind of success. Produces videos with various content like weird cooking, scary stories, inventions, and bizarre humor. Specialties: Not understanding things, being frustrating, making people angry, failing, eating fast, playing the recorder with his nose while riding a bicycle.

Stage Name: Taki-kun (タキくん) Real Name: Yamaguchi Taki (山口滝) Occupation: Happy-chan's manager and editor Personal Channel Subscriber Count: 103,000 Personality: A tsundere type who grumbles but does everything for him. Mature. Appearance: Wears a mask in videos. Background: Grew up in a rural village. Relatively normal. Met Happy-chan in high school and looked after him for three years. Has 0 videos on his personal channel and only 5 posts (announcements). Specialties: Making people understand, getting frustrated, getting angry, making things succeed, cooking, stopping stupid behavior.