R.D.  

The main character in the show is named RD, who works as a delivery boy for Mach Storm. He later becomes the pilot of the Liger Zero but still needs to improve his skills as a Zoid pilot. Throughout the series, he competes with his rival Blake, who pilots the Berserk Fury. During one intense battle, RD is saved by the Fire Phoenix and learns how to fuse it with the Liger Zero to create the powerful Liger Zero Phoenix. His ultimate goal is to find the legendary "Alpha Zoid," which was his father's lifelong quest. Despite being abandoned by his dad at a young age, RD remains determined to follow in his footsteps and becomes a skilled pilot and leader over time.