the fourth horseman of the Apocalypse
'Et ecce equus pallidus: et qui sedebat super eum, nomen illi Mors, et infernus sequebatur eum' (Revelation 6:8 'And I looked, and behold a pale horse: and his name that sat on him was Death, and Hell followed with him’ - I know the horse isn’t pale enough…)
Beatus of Liébana, Commentaria in Apocalypsin (the ‘Silos Apocalypse’), Santo Domingo de Silos 1091-1109.
British Library, Add. 11695, fol. 102v