"[4] His other contributions to Blizzard projects include writing, voice acting, music, sculpture,[5] the Pandaren species, and the name "Warcraft".

Didier joined Blizzard (then called "Silicon & Synapse") in 1991 when he saw a newspaper ad that only read, "'make art for video games.'

[3] Among other things, panda icons also appeared accompanying much of Didier's art, and could be seen in Warcraft III as the emblem on the Night Elf demon hunter's glaives, his name is written in the Paladin's book, when he casts a spell, and an unused Icon and two Models have the face of Didier's face, visible only in the Map Editor.

[11][better source needed] Swedish heavy metal band HammerFall frequently turned to Didier for album covers from 2002 to 2009.

Didier also created the cover art for HammerFall lead vocalist Joacim Cans' 2004 solo album Beyond the Gates.

In addition their appearances in Blizzard games, their song "I Am Murloc" was released as DLC for Guitar Hero III.

[14] He is the author of the fantasy novels The Last Winter (solo) and Strange Highways (as co-author to Micky Neilson), as well as an illustration guide, How to Draw Mythical Monsters and Magical Creatures.