N - Pokemon

Natu

Nidoking

Nidoqueen

Nidoran Female

Nidoran Male

Nidorina

Nidorino

Nincada

Ninetales

Ninjask

Noctowl

Nosepass

Numel

Nuzleaf

O - Pokemon

Octillery

Oddish

Omanyte

Omastar

Onix

Oshawott