Feg is Sláine's predecessor, the old horned God, and he is not planning on retiring. Having thrown in his lot with Crom Cruach and the Dark Gods of Cythrawl, he now leads the Drunes, intent on destroying the land of the young. Also, he is as mad as a box of frogs.
So yes, Feg, all round top guy.
As to painting this loon, his skin took me a while to get right. I didn't want him to look too undead, as he isn't, just super old and fairly stinking. I uses GW Contrast paints almost exclusively, bar some highlighting. A mix of Basilicarum Grey and Fyreslayer Flesh mixed with medium finally gave me a nice wash for the skin. Over that I glazed, mostly in the recesses and on the elbows, knees and knuckles, purple, pink and red to add some unholy life to the flesh. Some minor highlights of Flayed One Flesh and finally Pallid Wych Flesh and that was it.
The rest of Feg used techniques I'd tried on the Skull Swords for leather, cloth etc. All pretty natural materials. His horns and progressive washes of Contrast browns from Skeleton Horde down to Garaghak's Sewer, mixed with medium.
So, now that the main man is done, it's time for some of his champions, and yet more Skull Swords.