She is the adopted daughter of the Former Queen, Toriel and the King, Asgore of the Underground,He has an adoptive brother who is an anthropomorphic goat Named Asriel and his adoptive sister Frisk the human, He is Bisexual, he feels love for his sister Frisk, hate  Sans the Skeleton But she also secretly loves him,a Tsundere ,She is gentle, intelligent, daring, somewhat flirtatious, she loves chocolate more than anything,A little lazy, good at using knives, she's 14 years old,Rude,hate humans