As blue beet, his armor was modeled after a rhinoceros beetle.
It is closely related to the horse and is also kin to the rhinoceros.
This means that they share a common ancestry with tapirs and rhinoceros.
British Dictionary definitions for rhinoceros
noun (pl) -oses, -os
any of several perissodactyl mammals constituting the family Rhinocerotidae of SE Asia and Africa and having either one horn on the nose, like the Indian rhinoceros (Rhinoceros unicornis), or two horns, like the African white rhinoceros (Diceros simus) They have a very thick skin, massive body, and three digits on each foot
rhinocerotic (ˌraɪnəʊsɪˈrɒtɪk) adjective
C13: via Latin from Greek rhinokerōs, from rhis nose + keras horn
c.1300, from L. rhinoceros, from Gk. rhinokeros, from rhinos "nose" (a word of unknown origin) + keras "horn." Shortened form rhino is first attested 1884.
"What is the plural of rhinoceros? ... Well, Liddell and Scott seem to authorize 'rhinocerotes,' which is pedantic, but 'rhinoceroses' is not euphonious." [Sir Charles Eliot, "The East Africa Protectorate," 1905]