[@WendigoChan]Doing a "Lizardman" faction would be a bit out of the lore so I am pretty against it. However, there is a Norscan-esque reptilian race called the [url=http://warhammerfantasy.wikia.com/wiki/Fimir]Fimir[/url]. They're the size of trolls, with one eyes, turtle-like tough backs, and clubbed tails. They're one of the oldest followers of Chaos, and they're quite intelligent, though they usually just hide in bogs.