Minecraft wiki entry for Thomas_Guimbreti%C3%A8re, associated text: Thomas "ProfMobius" Guimbretière[3] is a former game developer working at Mojang Studios. He worked on Minecraft and is well known for co-founding the Mod Coder Pack alongside Michael Stoyke. He has also made many mods for Minecraft, with two of his most notable mods being Waila and Jabba.[4][5]