What Pokemon can resist these types?

Question

What Pokémon can resist Water, Grass, Ice, and Dark type attacks all together?

Comments

Do you mean one singke pokemon, or all the pokemon that resist grass, ice, water and dark?

Answer 1

There are only two Pokemon that resist Grass, Water, Ice and Dark, and that is Sap Sipper Marill/Azumarill. Due to their unique typing and Ability they are the only ones who resist all 4 types.

For the sake of it I will include more viable Pokemon that resist 3 of the types:
Resist Grass, Ice and Dark:
Houndour
Houndoom
Combusken
Blaziken
Mawile
Monferno
Infernape
Lucario
Pignite
Emboar
Pawniard
Bisharp
Cobalion
Klefki

Resist Water, Ice and Dark:
Poliwrath
Marill
Azumarill
Carvanha
Sharpedo
Crawdaunt
Keldeo
Greninja
Keldeo
Gyarados-Mega

Resist Grass, Water and Dark:

Nuzleaf
Shiftry
Breloom
Cacturne
Cottonee
Whimsicott
Deino
Zweilous
Hydreigon
Virizion
Chesnaught

Resist Grass, Water and Ice:
Shedinja

Source: http://pokemondb.net/tools/type-coverage (as this source dont account for abilities Sap Sipper Marill/Azumarill dont show up there, but they still resist all 4 types).

Comments

Nice answer!