Backstory: Frankendoll was once a shy teen. He was 15 years old and his name was "Frankie" and he used to like going to the arcades. He was usually doing his own things. Until one horrible day, his father, Henry McDanny, turned him into a monster. And Frankendoll was the only successful experiment. However, he just sits and thinks, and realizes that some people can be dangerous and some can stab you in the back. He felt betrayed. He somehow went to a shy teen to an angry giant doll. He escapes and killed his father. He somehow also freed his siblings (who were also turned into giant dolls) and they escaped. He vowed to erase humanity and he won't stop until humanity stops existing.
Backstory: Rosiedoll was once a nice, little girl. She was 5 years old, and her name was "Rosemary" and she is Frankendoll's little sister. Her favorite thing to do is go outside and play. She mostly plays tag with her brothers. She was enjoying life. Until she had the same fate as Billydoll and Frankendoll. Their father turned her into a ugly monster. She wasn't successful like Billydoll. She even became deaf, so she can't hear a single thing.He had the same fate as Frankendoll, but only worse (like Billydoll).
Backstory: Billydoll was once a normal person. He was a 12 year old kid named "Bill" and he is Frankendoll's brother. His favorite thing to do was play sports. Everything was ok. Until that one faithful day, their father turned him into a blind beast. He became blind and he wasn't successful. He had the same fate as Frankendoll, but only worse.