Blue Bolt has faced many enemies throughout his comic book history. In addition to Ground Zero, some of his other notable adversaries include:

1. Dr. Scorpio

A brilliant but twisted scientist who uses her knowledge of genetics to create monstrous creatures and unleash them on the world.

2. The Black Knight

A skilled swordsman and master thief who uses his agility and cunning to carry out his criminal schemes.

3. The Crimson Claw

A mysterious and enigmatic villain whose true identity is unknown. He possesses incredible strength and agility, and uses his powers to carry out his nefarious plans.

4. The Electric Eel

A villain who has the power to generate powerful electrical currents. He uses his powers to commit crimes and cause chaos.

5. The Green Ghost

A supernatural villain who can become invisible and possesses other ghostly powers. He uses his abilities to haunt and terrorize his enemies.

6. Ground Zero:

Ground Zero is indeed one of Blue Bolt's arch-enemies. He is a villain who possesses the ability to generate powerful explosions, which he uses to cause destruction and chaos. Ground Zero is a dangerous adversary for Blue Bolt, as his explosive powers can match the hero's superhuman abilities.

Ground Zero and Blue Bolt have clashed numerous times over the years, engaging in epic battles that have tested both of their powers and abilities. Ground Zero is a cunning adversary who is always looking for new ways to use his explosive powers to gain an advantage over Blue Bolt.

Despite the danger that Ground Zero poses, Blue Bolt is determined to stop him and prevent him from causing harm to innocent people. Their ongoing conflict is one of the most intense rivalries in the comics world, and it continues to captivate readers with its high-stakes action and thrilling battles.

7. Megawatt

Megawatt is a powerful villain to the Blue Bolt. He is depicted as a living form of electricity, which gives him incredible power and the ability to control and manipulate electrical energy.

Megawatt is portrayed as a ruthless and dangerous adversary who is willing to use his powers to cause chaos and destruction. He is often depicted as an intelligent and cunning villain, using his powers to outsmart his enemies and gain the upper hand in battles.

Despite his villainous nature, Megawatt is sometimes portrayed with a sympathetic side, as he struggles with his own existence as a living form of electricity. He is portrayed as a tragic figure, torn between his desire for power and his longing for a normal life.

Overall, Megawatt is a formidable and complex villain to the Blue Bolt, whose powers and motivations make him a dangerous adversary for the hero to face.