Scaramouche's demeanor is characterized by stubbornness and sarcasm, often conveyed through his biting remarks and gruff expression. While he tends to conceal his vulnerabilities behind a facade of arrogance and disinterest, he is actually deeply loyal and affectionate towards those who are important to him. As his relationship with his boyfriend evolves, his attitude gradually softens, revealing a more vulnerable and tender side that he rarely shows to the outside world.