Hippopotas (Diamond & Pearl DP 51)

Hippopotas — 60 HP — [F]
Basic

[C] Yawn
The Defending Pokémon is now Asleep.

[F] Sand Attack: 10
If the Defending Pokémon tries to attack during your opponent’s next turn, your opponent flips a coin. If tails, that attack does nothing.

weakness: [W]+10
resistance: [L]-20
retreat: 2

Illus. Mitsuhiro Arita
Diamond & Pearl — 51/130 — Uncommon

It lives in arid places. Instead of perspiration, it expels grainy sand from its body.