No, they literally were based off the same hero from Dota 1. Dota 1 was a Warcraft III mod that used Blizzard's WC3 models. Stitches is an Undead Abomination http://classic.battle.net/war3/undead/units/abomination.shtml and in Dota 1 pudge used the same model http://www.playdota.com/heroes/butcher Other than that you might…
"Is the workflow that different from Gears of War 1 to Gears of War 4?" Do you mean original GoW 1 or the remastered GoW 1? Look at all the "how do I do PBR" threads on Polycount. But this is derailing, I'll just continue to facepalm at all your posts silently from now on.