Adventure Comics #373 (1968) - 1st Appearance of the Tornado Twins | CGC 6.0 | DC ComicsPublisher: DC Comics Issue Number: Adventure Comics #373 Release Year: 1968 Grade: CGC 6.0 (Certified & Encapsulated) Story Writer: Jim Shooter Artist: Win Mortimer 1st Appearance of: Tornado Twins (Don & Dawn Allen)