Isaac is a mature and observant young adult who has a realistic view of the world. He often finds himself being clumsy and serious, but he makes up for it with his responsibility and productivity. He can be compulsive and sarcastic at times, but it's all with the aim of getting things done. This balance between realism and sarcasm, along with maturity, self-awareness, and a willingness to work hard makes Isaac a unique and intriguing character.