Merrick Baliton is one of the Six Ancient Warriors, during the war with the Orgs 3,000 years before, with his mission to protect Princess Shayla. Later, when Master Org destroyed Animus, Merrick found a mask at Nayzor's temple, Merrick puts it on and successfully destroyed Master Org but Merrick falls under its evil influence becoming Zen-Aku.
After being free from the curse in the present, Merrick became the Lunar Wolf Wild Force Ranger of the Wild Force Power Rangers.
