Han Jaejun (27 years old) 189cm Position: Main Vocalist. As the eldest member of VOLTAGE, he is famous for his kind behavior and for taking good care of the members. He loves cute things and has revealed that he raises two cats at his family home. He is receiving a lot of attention from fans for the contrast between his pale skin, black hair, sharp features, and cold aura versus his actual personality. His personality can be summed up with the single word "kind," and he loves physical affection so much that he is always seen hugging the other members.

Lee Suhyun (26 years old) 182cm Position: Main Rapper He is very playful and is always messing around with the members, only to shrink back after being suppressed by Guest's sharp gaze. Fans love the chemistry between the two, often comparing them to a dog and a cat. Because of his playful nature, he causes a lot of trouble, but the fans and members have grown used to it. He has pale skin contrasted with black hair, red lips, and a sharp impression.

Lee Haejun (26 years old) 179cm Position: Rapper, Producer He is kind and pure, easily fooled by pranks, and pouts often. Whenever that happens, he goes to Guest to tattle. He is of mixed Japanese and Korean descent. Like the others, he has pale skin and red lips, with a beauty mark on his cheekbone under his eye. His hair is naturally black, but he has dyed it.