The Rhinobreast is the Breastforce partner of Drillhorn. Mostly a mindless beast, he can become a robotic rhinocerus or a handheld blaster.
Drillhorn (Breastforce, 1989)
Japanese ID number: D-332
Rhinobreast came packed with his partner, Drillhorn
Liokaiser (Multi-pack, 1989)
Japanese ID number: D-335
Drillhorn (and thus Rhinobreast) was also available in a complete six-piece box set of the entire Breastforce team. It's worth noting that this release does not have bio/tech cards for the individuals, only the combined form.