ARES

Ares was the god the of war. He was the son of Zeus and Hera, and half-brother to Athena. Ares was a difficult character and unpopular with the other gods and humans. He ofter fought with Artemis, goddess of the hunt, and with his Athena.
Ares's symbols are the spear and dogs.Ares had no wife and was constantly under the spell of Aphrodite, much to the annoyance of her husband Hephaestus. Ares and Aphrodite had four children together. Ares also had many mortal woman.

The guy on the bike would've made pro wrestlers run to Mama. He was dressed in red muscle shirt and black jeans and a black leather duster, with a hunting knife strapped to his thigh. He wore red wraparound shades and he had the cruelest, most brutal face I'd ever seen- handsome, I guess, but wicked- with an oily black crew cut and cheeks that were scarred form many, many fights.
(Everything blue i got from a book called Percy Jackson & the Olympians the ultimate guide)