Barugon

Barugon (バルゴン Barugon) is an ancient kaiju created by Daiei that first appeared in the 1966 Gamera film, Gamera vs. Barugon. Barugon is a gigantic quadrupedal reptile, with sharp teeth, a long horn on his snout, smaller horns above his eyes, and a long whip-like tail. He has two rows of short spikes running down his back, which begin to glow when the creature is ready to attack. Barugon also possess a very long, stiff tongue with a clubbed tip, and has purple blood.