Incredibly Deadly Viper

The Incredibly Deadly Viper is the snake discovered by the Herpetolopist Dr. Montgomery Montgomery. As later explained by Dr. Monty The Incredibly Deadly Viper's name is a misnomer so The Incredibly Deadly Viper is really the most friendly snake on earth. Sunny becomes friends with the snake. The Incredibly Deadly Viper reappears in the 13th volume.