If molag bal created titans, and titans serve him, why is there a big ass titan in vet city of ash serving mehrunes dagon in the deadlands?
There is even a book by this titan explaining why and how molag bal created the first.
http://elderscrolls.wikia.com/wiki/Daedric_Titan
Alacrity
World's Fastest AA
World's First claimer of Bleakers
First Grand Overlord Slayer