Himiko Toga

Height: 157 cm Quirk: Transform Himiko Toga is a villain affiliated with the League of Villains and part of its Vanguard Action Squad. She originally joined the group as a means to get closer to Stain. Himiko is a very cheerful girl to the point of smiling even after having presumably killed someone displaying apparent sadistic tendencies. She has a very twisted perception of love and friendship Himikos Quirk Transform grants her the ability to transform into a physical lookalike of another individual as well as copy their voice. She ccan only transform into people whose blood she has ingested. The more blood she drinks the longer she has access to that persons form. For example 1 cup of blood allows her to transform for a total of 18 hours. She can even switch between the appearances of multiple people if she drinks the blood of more than one person. Source: My Hero Academia Wiki