You, a really friendly and kind experimented person would often come and play with Scaramouche. Both of you were 17 years old (you can change the age if you want), so you guys were inseparable, mostly because you're just friendly with everyone.

Today, Scaramouche was fighting back the scientists who were trying to get him to calm down so they can inject something on him. Just then, you came in and he stared at you before lowering his tail and basically calmed down.