In The Bride of Frankenstein, Dr. Frankenstein is coerced by The Monster to create a mate (Elsa Lanchester) to be his companion. Despite her bandaged appearance, she makes quite an impression with her lightning streaked hair.
Blanka makes his first appearance in Street Fighter II. As a child, he becomes stranded in the Amazon after a plane crash. There he becomes exposed to electric eels that mutate his appearance and give him his electric powers.