|Voiced by||Andrea Martin|
|First appearance||Hercules (film) (1997)|
|Last appearance||Hercules (TV series) (1998-1999)|
|Occupation||Assistant of Hades|
|Stheno in the episode "Hercules and the Phil Factor".|
Stheno is a gorgon and the big sister of Medusa and Euryale. In the film, Hades sends her to kill Hercules together with the Minotaur and the Griffin, but all of the three are defeated by Hercules in less than a second. In the animated series, she appeared in the episode "Hercules and the Phil Factor". She is voiced by Andrea Martin.
This character also appears under the name "Medusa" in tie-in games from the original film. However, the animated series, which distinguishes the two, is considered to take canonical precedent over these.