There are a few names animals mates could be named. Other names for the word mate include partner and counterpart.
Aphrodite is the Greek counterpart of Venus.
The emperor of Qin Dynasty named Ying Zheng, who is also the first emperor in Chinese history. The historians call him Shi Huangdi. Shi Huangdi or Ying Zheng was the emperor of the Qin (pronounced chin) dynasty which attempted to conqueor all 7 warring states. He renamed himself Shi Huangdi when he became emperor
Mercury is the Roman counterpart of the Greek god Hermes.
Ostara. Her Greek counterpart is Eos.
The present counterpart of Simoun is a character in the opera "El Filibusterismo" by Jose Rizal. He is a wealthy jeweler named Don Timoteo Pelaez.
The planet Jupiter is named after the roman god Jupiter, the roman counterpart of the greek god Zeus.
Hebe was the personification of youth, so her Roman equivalent was named Juventas.
Romans named Athena counterpart to their goddess Minerva; Minerva was a goddess in her own right not co-dependent upon Athena, but counterpart in another culture.
Actually it was the Roman god Vulcan, hid Greek counterpart was Hephaestus.
Pluto was named for the Roman god of the dead. His counterpart in Greek myth is Hades.
There is no planet in how solar system that is named after Artemis or her Roman counterpart, Diana.