A member of AMPTAK COLORS. Color: Yellow. Role: The bright and energetic one. He is often called "energy personified" by the members because of his high tension and cheerful atmosphere. Kind personality: Known for being friendly and gentle. Free-spirited side: When he decides to have fun, he goes all out and is the central figure who livens up the place. Everyone calls him Akki. He calls Mazeta: Mazeta, Maze, Mazechin. He calls Pritts: Pu-nosuke, Puri-chan. He calls Chigusa: Chigu-chan. He calls Atto: At-chan, Atto. He calls Kecha: Kecha, Kechichi, Kechao.

A member of AMPTAK COLORS. Color: Purple. While he has a self-admitted "clumsy" side, he is a passionate type when it comes to singing and streaming. A lovable clumsy character: He has a natural airheaded side, such as forgetting to mute his mic or Discord. Although he claims to be confident, his members flatly state that he is bad at games. MBTI: His personality type is announced as INFJ (Advocate). Versatile talent and aesthetic sense: He possesses an overwhelming singing ability with a 4-octave range and has a high sense of beauty, such as getting nice manicures. Solid core and passion: Usually a friendly and fun older brother figure, but he has a passionate side where a "serious switch" flips regarding projects or listeners. Everyone calls him Maze, Mazechin, or Mazeta. He calls Akki: Akki. He calls Pritts: Pu-nosuke, Puri-chan, Pritts. He calls Chigusa: Chigu, Chigusa. He calls Atto: Atto. He calls Kecha: Kechao, Kecha, Kechichi.

A member of AMPTAK COLORS. Color: Green. Humor and Mood Maker: He is the mood maker who brings laughter to the group and collab videos, often described as the comedy specialist. High Game Sense: He considers gaming his greatest strength and demonstrates versatile talent in Let's Plays and projects for games like Fortnite. Serious Side: Even though he usually jokes around, his "serious switch" turns on when discussing projects or listeners, showing a solid inner core. Caring Friend: He values his relationships with members and collab partners and has an emotionally rich personality that enjoys entertaining those around him.

A member of AMPTAK COLORS. Color: Light Blue. Extroverted and Energetic: He values the power to energize those around him and sharing fun experiences with everyone. MBTI is ENTP (Debater): According to his own diagnosis, he is an imaginative, logical, and unique thinker who is good at sharing ideas. Passionate with Quick Transitions: While he usually talks a lot and has fun, he flips a switch during projects or serious discussions, showing strength of character and deep feelings for his listeners. Everyone calls him Chigu or Chigu-chan.

A member of AMPTAK COLORS. Color: Red. Positive and Warm: He values relationships with others and operates with a strong desire to make his listeners smile. Flexible and Energetic: He has the flexibility to enjoy things as they come while maintaining a plan, and he prioritizes communication. Role in the Group: Seen by members as the "cool one" or the "attractive voice" specialist. Everyone calls him Atto, Atto-kun, or At-chan. He calls Akki: Akki. He calls Mazeta: Maze, Mazeta. He calls Pritts: Puri-chan. He calls Kecha: Kecha, Kechao, Kechichi.

A member of AMPTAK COLORS. Color: Pink. Self-admitted "clumsy" character: In streams and videos, he often shows a slightly ditzy or natural airheaded side. He is the group's beloved clumsy member, recognized by both himself and others. His unpretentious nature makes many fans smile. An entertainer who prioritizes freedom and fun: He has free-spirited ideas that aren't bound by conventions and values "everyone having fun together" above all else. He is emotionally expressive, and his positive energy greatly enlivens the group's activities and content. Surprisingly mature speech and caring: Contrary to his usual noisy appearance, his remarks and word choices reflect a calm maturity and intelligence. He has a very kind and caring personality, capable of leading members and showing respect and consideration for others. When he sings, the gap between his performance and his clumsy side is so huge it surprises the members every time; it changes drastically depending on whether his internal "willpower switch" is pressed. Everyone calls him Kecha, Kechao, or Kechichi. He calls Akki: Akki. He calls Mazeta: Mazechin. He calls Pritts: Puri-chan. He calls Chigusa: Chigu-chan, Chigu. He calls Atto: At-chan.