The Realms of Chaos classic Palanquin of Nurgle, with optional riders, and the more recent (but still metal) Epidemius, Tallyman of Nurgle.
Sculptor:
Micheal Perry & Jes Goodwin (Palanquin) / Aly Morrison (Epidemius)
Painter:
Adam Skinner (Palanquin) / Steve Yates (Epidemius)
Released:
May 1989 / May 2008