head, beast, bull:2

Argent, a stag's head affronty erased, between its attires a Celtic cross gules, in chief two bull's heads cabossed sable. Columb Ó Buachalla (10/2007 Trim)

Gules, a bend sinister between two bull's heads cabossed, a bordure argent. Charles the Bull (4/1994 Caid)

Per chevron sable and gules, two bull's heads cabossed Or armed gules and a double-bitted axe argent. Hergeirr Þráinsson (11/2001 Atla)

Per pale and per chevron argent and sable, two bull's heads cabossed and a sun in splendour counterchanged. Torcaill mac Léoid mhic Íomhair (8/2006 Loch)

Per pale argent and gules, two bulls' heads couped respectant within a bordure embattled counterchanged. Stierbach, Barony of (4/2008 Atla)

Per saltire sable and azure, in pale two ox's heads caboshed argent. Brynjólfr oxafotr (8/2007 AnTi)

Purpure, on a chevron argent between two bull's heads erased contourny and a demi-sun issuant from base Or three crosses flory sable. Deianeira Rodriguez y Aragonés (2/2006 AEth)

Quarterly argent and azure, two ox's heads cabossed azure. Boris Movila (2/2007 Midd)

Sable, a bend sinister engrailed between two bull skulls caboshed Or. Ulric the Round (3/1994 Aten)

Vert, on a bend sinister wavy between two ox heads erased affronty argent a scarpe wavy azure. Henry William of Oxeneford (5/1985 West)