Gooey
Contact with the Pokémon lowers the attacker's Speed stat.
Rattled
The Pokémon gets scared when hit by a Dark-, Ghost-, or Bug-type attack or if intimidated, which boosts its Speed stat.
This Pokémon can pick up the scent of a Veluza just over 65 feet away and will hide itself in the sand.
Though it looks like Diglett, Wiglett is an entirely different species. The resemblance seems to be a coincidental result of environmental adaptation.