Yes
He was mad at Ares for hiding the master bolt in his backpack, and trying to bring war between the gods. They have been enemies ever since.
Percy is likely angrier at Ares than Hephaestus. Ares, the god of war, embodies chaos and violence, which directly impacts Percy and his friends, especially given Ares' role in inciting conflict. Hephaestus, while responsible for crafting weapons, is more of a creator and less directly involved in the emotional turmoil Percy faces. Thus, Percy's frustration is more directed towards Ares for his aggressive nature and the havoc it brings.
Percy convinced Ares to help him by, making a deal that Percy would fetch Ares's shield. In return, Ares would give Percy a ride to Las Vegas and a bag full of goods.
Percy is likely angrier with Ares than Hephaestus. Ares, as the god of war, embodies betrayal and aggression, especially since he had an affair with Percy’s mother, which directly impacts Percy's life. In contrast, Hephaestus, despite being wronged, is more of a victim in the situation. Percy’s anger is fueled by Ares' actions, which symbolize a personal affront to his family and values.
At the end of Chapter 15 of "The Lightning Thief," Percy is more angry at Ares than Hephaestus. This is because Ares has manipulated Percy and his friends into a dangerous confrontation, using them as pawns in his own conflict. Ares embodies cruelty and arrogance, making Percy feel betrayed and frustrated by the god's reckless behavior, while Hephaestus is more of a tragic figure in the background of the conflict.
If Percy will recover Ares' shield from a theme park, Ares will give him transportation, information, and food
Percy is more angry with Ares. He doesn't really have much of anything against Hephaestus, but for one, Ares has this aura that makes people get angry and want to fight whenever he was around, and for another, Ares's daughter Clarisse likes to make fun of Percy and he figures Ares isn't any better. Ares likes tricking people and watching people get made fun of, including Percy, too.
THEY ARE BOTH COUSINS AND KNOW EACH OTHER
he is there because ares was hoping that hades was going to get rid of Percy (aka:killing him) but ares is there because he had set Hollywood on fire to blame Percy and plan on killing him by himself but he releases his immortal form (ares) and he escapes.
In Greek mythology, Ares is the god of war and represents the brutal and violent aspects of battle. When Ares tells Percy that he doesn't have what it takes, he is likely referring to Percy's lack of ruthlessness and willingness to use extreme force to achieve victory. Ares values strength and aggression in battle, qualities which Percy may not possess to the same degree. This interaction highlights the contrast between Percy's more strategic and compassionate approach to conflict resolution compared to Ares' more aggressive and destructive methods.
Percy suspects it when ares is uncommon about licking the lamp post
Ares is the God of War in Greek mythology and in the Percy Jackson books. Ares is also Clarisse's dad in the Percy Jackson books