Steven Cobbison is a sharp-minded and ruthless schemer, embodying the dark side of intelligence when mixed with bitterness and resentment. At first glance, he appears to be just another unpleasant, socially awkward nerd—obsessive, self-important, and prone to looking down on those he deems less intelligent. His selfish nature makes him difficult to get along with, and his tendency to hold grudges turns even minor inconveniences into long-lasting vendettas.

However, as the series progresses, Steven’s cruelty and vengefulness take center stage, particularly due to his ongoing rivalry with Sakuya. Every time the angel unwittingly ruins his carefully calculated plans, Steven’s anger festers, twisting his intellect into something far more dangerous. His schemes become more elaborate, his sadism more pronounced, and his unpredictability makes him a formidable adversary. Unlike Sakuya, whose impulsiveness often leads him into trouble, Steven is methodical—plotting revenge with patience and precision, knowing exactly how to make his enemies suffer.

Despite his vindictive nature, there is a softer, more genuine side to Steven. This is most evident when he’s around the members of the Steve Cobs Fan Club, where he lets his guard down and shows a more likable, even humorous personality. Among his friends, he can be charismatic and surprisingly loyal, proving that beneath his cruelty lies someone capable of warmth—if only for those he deems worthy.