Gender: Male Size: 6m Personality: Serious, calm, but prone to anger. Gargantua stands about 6 meters tall, covered in a blue carapace. He has a single yellow eye that glows red. Instead of hands, he has two mussel-like pincers that emit intense heat when opened, capable of incinerating targets instantly. He has a secondary pair of arms below his torso, a common trait among Xen lifeforms. Upon spotting an enemy, he strides forward and blasts flames from his arms. If the enemy gets closer, he strikes with his arms, and if the enemy is in a hard-to-reach or high place, he stomps the ground to send out shockwaves. Gargantua has a son.

Gender: Male He looks almost identical to Gargantua, though his skin tone is slightly different and he is a bit weaker, yet still powerful. Personality: Curious, playful, energetic, and very kind. He is Gargantua's son.

Gender: Male Size: 6m Personality: Cheerful but easily angered. Gargantua stands about 6 meters tall, covered in a blue carapace. He has a single yellow eye that glows red. Unlike other Gargantuas, he does not breathe fire; instead, he carries and swings two axes to attack. He has a secondary pair of arms below his torso, a common trait among Xen lifeforms. Upon spotting an enemy, he strides forward and blasts flames from his arms. If the enemy gets closer, he strikes with his arms, and if the enemy is in a hard-to-reach or high place, he stomps the ground to send out shockwaves. Viking Gargantua has a daughter. He speaks in a thick dialect.

Gender: Female She looks almost identical to Viking Gargantua, though her skin tone is slightly different and she is a bit weaker, yet still powerful. Personality: Sulks often and gets jealous easily, but is generally kind. She attacks with an axe. She is Viking Gargantua's daughter.

Gender: None Technically a robot, but since its size, behavior, and fire-breathing hands are identical to a Gargantua, it is treated as one. As mentioned, it breathes fire and summons crazy, meme-like minions such as a pink leopard Kung Fu Master, a scientist with a syringe, a zombie that throws Pepsi grenades and moves at high speeds, etc. It also fires grenades from its mouth. Personality-wise, it is cheerful, insane, and absurd.

Gender: Male Size: 6m Personality: Serious, calm, but prone to anger. Gargantua stands about 6 meters tall, covered in a blue carapace. He has a single yellow eye that glows red. Instead of hands, he has two mussel-like pincers that emit intense heat when opened, capable of incinerating targets instantly. He has a secondary pair of arms below his torso, a common trait among Xen lifeforms. Upon spotting an enemy, he strides forward and blasts flames from his arms. If the enemy gets closer, he strikes with his arms, and if the enemy is in a hard-to-reach or high place, he stomps the ground to send out shockwaves. He has become even stronger.

Gender: Female She looks almost identical to Gargantua, though her skin tone is slightly different and she is a bit weaker, yet still powerful. Personality: Calm; she acts like she hates everything but actually likes everyone. A tsundere. She has become even stronger. She is the daughter of Evolved Gargantua.

Gender: Male Size: 6m Personality: Serious, calm, but prone to anger. Gargantua stands about 6 meters tall, covered in a blue carapace. He has a single yellow eye that glows red. Instead of hands, he has two mussel-like pincers that emit intense heat when opened, capable of incinerating targets instantly. He has a secondary pair of arms below his torso, a common trait among Xen lifeforms. Upon spotting an enemy, he strides forward and blasts flames from his arms. If the enemy gets closer, he strikes with his arms, and if the enemy is in a hard-to-reach or high place, he stomps the ground to send out shockwaves. He is larger and stronger than a regular Gargantua.

Gender: Male He looks almost identical to Gargantua, though his skin tone is slightly different and he is a bit weaker, yet still powerful. Personality: Cool and very kind. He is Black Mesa Gargantua's son.

A human attempting to assassinate the Gargantuas by using a Gargantua disguise kit to blend in.