Oblivious

The Pokémon is oblivious, and that keeps it from being infatuated or taunted.

Level-Up

The following Pokémon can equip this ability after reaching a certain level.
# Pokémon Type Level
195 Phanpy 55
262 Snover
100
263 Abomasnow
100
264 Swinub
1
265 Piloswine
1
266 Mamoswine
1
419 Gropp 1
420 Cyclobber
1
281 Wooper
16
282 Quagsire
16
104 Spheal
90
105 Sealeo
90
106 Walrein
90
269 Smoochum
1
270 Jynx
1
79 Slowpoke
1
80 Slowbro
1
81 Slowking
1
299 Munchlax 72
300 Snorlax 72
421 Numel
1
425 Nemelt 55
426 Varaflare 55

Natural Ability

The following Pokémon can have this ability when you find them in the wild.
# Pokémon Type
264 Swinub
265 Piloswine
266 Mamoswine
419 Gropp
420 Cyclobber
269 Smoochum
270 Jynx
79 Slowpoke
80 Slowbro
81 Slowking
421 Numel

Hidden Ability

The following Pokémon can have this ability as their hidden ability.
# Pokémon Type
104 Spheal
105 Sealeo
106 Walrein

Tutored Ability

The following Pokémon can be taught this ability.
# Pokémon Type
430 Shleepy
431 Privinee
432 Flairdries
158 Drilthug
159 Excabrute
211 Roggenrola
212 Boldore
213 Gigalith
56 Scuiret
57 Pteroret
63 Venipede
64 Whirlipede
65 Scolipede
174 Psyduck
175 Golduck
176 Malduck
7 Skitty
8 Delcatty
205 Sandshrew
206 Sandslash
195 Phanpy
196 Donphan
228 Spruvyne
229 Quervyne
230 Sampervyne
262 Snover
263 Abomasnow
264 Swinub
265 Piloswine
266 Mamoswine
440 Fizzix
441 Gravitomix
419 Gropp
420 Cyclobber
393 Yamask
394 Cofagrigus
281 Wooper
282 Quagsire
104 Spheal
105 Sealeo
106 Walrein
269 Smoochum
270 Jynx
79 Slowpoke
80 Slowbro
81 Slowking
102 Seel
103 Dewgong
358 Gomm
359 Mountegrom
82 Stufful
83 Bewear
193 Skiddo
194 Gogoat
166 Joltik
167 Galvantula
247 Mareep
248 Flaaffy
249 Ampharos
143 Mudbray
144 Mudsdale
384 Solosis
385 Duosion
386 Reuniclus
72 Porygon
73 Porygon2
74 Porygon-Z
299 Munchlax
300 Snorlax
421 Numel
422 Camerupt
376 Snomel
377 Cryorupt
41 Mareanie
42 Toxapex
124 Slakoth
126 Slaking
294 Mudkip
295 Marshtomp
296 Swampert
77 Trilopod
78 Nautilazer
444 Carcinodjinn
137 Miltank
61 Yamper
62 Boltund
425 Nemelt
426 Varaflare
427 Komodor
293 Crainbow
366 Exeggcute
368 Exeggutor
367 Exegutower
237 Spudnik
238 Jerusaleye
451 Uspouti
452 Ustacki
453 Usplendi
??? Inkay
??? Malamar
??? Gaiac