Argent, a hippopotamus statant contourny azure. Aaron de Hameldene (4/1993 Midd)
Argent, a rhinoceros rampant azure within a bordure dovetailed sable. Rígán hinn Stilligr (8/1995 Anst)
Argent, a rhinoceros rampant gules. Kendall Tempest (2/1994 AnTi)
Argent, a rhinoceros rampant sable between in chief two roses, barbed and seeded, proper. Thomas O'Maoilriain (6/1988 Caid)
Azure, a hippopotamus statant within a bordure argent. Tat'iana Travina (11/2002 Outl)
(Fieldless) A brown hippopotamus statant guardant proper. Sajah bint Habushun ibn Ishandiyar al-Hajjaji (9/2006 Atla)
(Fieldless) A rhinoceros statant argent. Sylvanus Perrin (2/2002 Atla)
(Fieldless) On a rhinoceros azure a mask of comedy argent. Angel la Fiera (10/2004 Caid)
Or, a hippopotamus statant azure, a base engrailed vert. David of Staffa (5/1981 West)
Per bend sinister gules and sable, a rhinoceros passant contourney argent and two quill pens in saltire Or. Petar iz Beograda (3/1992 Anst)
Per chevron vert and argent, three crosses fleury argent and a brown hippopotamus statant guardant proper. Sajah bint Habushun ibn Ishandiyar al-Hajjaji (2/2006 Atla)
Per fess sable and gules, a rhinoceros statant Or and two arrows inverted in saltire argent. Ullrich Verloren (7/2008 Anst)
Per fess wavy azure and vert, a hippopotamus rampant to sinister argent, in chief a trident fesswise Or. Aneirin ap Corwyn o'r Ynis Witrin (11/1984 Aten)
Purpure, a rhinoceros sejant erect contourny, on a chief argent three pomegranates gules, leaved vert. Zafirah of the White Waters (8/2010 Midd)
Sable, a rhinoceros statant and in canton three mullets of eight points two and one argent. Peter Cadarn (12/2009 Caid)
Vert, a hippopotamus rampant between in chief two roses argent, on a chief Or a stick shuttle sable. Sindra Gunhild Sigmundsdottir (9/1990 Anst)