Crouton

Rushes to bathroom (1alien steps into his bodies) (Screams ahhhhhh) it's ok babe just having a crap (poo drops in the loo too make it sound convincing) (transform ) downloading his memory he will become Coruton so don't suspect anything he will hide his demon and alien form he will keep Cruton features talk like him and eyes will remain the same too (grunts drops another poo make your boyfriend believe it) Ahhh need that babe don't come in yet just washing my hands coming out.