Hitoshi Ariga (有賀 ヒトシ), born August 23, 1972, is a professional artist who primarily illustrates manga and picture books, and has assumed the position of graphic designer for several Japanese titles in the game industry. He first began providing illustrations for the Pokémon Trading Card Game in 2011, though has been a fan of the franchise for many years. Ariga also illustrated the web manga Klonoa: Dream Traveler of Noctis Sol for Namco website ShiftyLook. His main passion, however, lies with the Mega Man franchise, where he has illustrated numerous manga and artwork for affiliated products since the mid 90’s.

Ken Sugimori recognized Ariga's design work and invited him to work on Pokémon X and Y, where he became involved with the design of several Pokémon.

Pokémon designed by Ariga

• Aegislash
• Alolan Geodude
• Alolan Golem
• Alolan Graveler
• Alolan Grimer
• Alolan Muk
• Amaura
• Arctovish
• Arctozolt
• Aurorus
• Charjabug
• Corvisquire
• Corviknight
• Doublade
• Dracovish
• Dracozolt
• Drampa
• Espathra
• Flutter Mane
• Garganacl
• Grubbin
• Hisuian Sneasel
• Honedge
• Inkay
• Malamar
• Mega Beedrill
• Minior
• Nacli
• Naclstack
• Pangoro
• Rookidee
• Sneasler
• Tyrantrum
• Tyrunt
• Ultra Necrozma (Assisted in making)
• Vikavolt