Horned

Vikings didn't really wear horned helmets.

The horned lizard or "horny toad" looks like a tiny dinosaur.

Paleontologists in Montana have discovered a new species of horned dinosaur that makes Triceratops — universally considered to be one of the coolest dinosaurs — look boring.

Horned toads hopped about; each of the four upper corners of the room was festooned with a thick cobweb, in the center of which sat a spider as big around as a washbasin, and armed with pincher-like claws; a red-and-green lizard was stretched at full length on the window-sill and black rats darted in and out of the holes they had gnawed in the floor of the cottage.

A goat is a horned animal.

a bull's head gules, horned argent

The horned moon with one bright star / Within the nether tip.