Snidewinder

is a Rank A Lightning-attribute Yo-kai of the Slippery tribe.

The Yo-kai Medallium bio reads; "When a battle starts, Slitheref will appear out of nowhere and make sure the fight stays fair and square."

Appearance
Copperled shares his appearance with Cynake, but is instead yellow with a sienna underbelly, with a white moustache and a blue string tying its headdress, which like his gunbai is colored red.

Yo-kai Watch
Slitheref rarely appears in the Yo-kai World Bridge, Hooligan Road and Liar Mountain, among his white counterparts.

Quotes

 * Loafing: "I tried..."

History
Slitheref is first summoned as part of Keizo's team in the 1st movie.

Name Origin

 * "Slitheref" is a combination of slither and referee.
 * "Mamushi Gyōji" translates as "pit viper referee" (specifically, gyōji is the term for sumo referees).

In other languages

 * Spanish: Arfidio

Related Yo-kai

 * Cynake
 * Copperled