The fang ghost was a later addition to the #9206 glow in the dark ghost mask with shroud line up, designed by Frank McGovern in 2002. Its spooky cobra mouth and sinister expression differentiates it from other styles. This mask was only featured on Fearsome Faces 'bat & moon' style header cards. Earlier masks came in glow pvc, but is later only produced in non-glow white pvc. It was recently featured in the video game Dead by Daylight (2016) where they call him Viperface. Fun World has developed new items inspired by the game released in 2021.
*Some fans often mislabel this mask as "Viper", but we recently learned from Frank McGovern he called it the fang ghost while designing it and it was Brigitte Sleiertin-Linden's design she named Viper.