In the expansive universe of Hulk lore, numerous formidable non-human entities have emerged, showcasing great power and ferocity. These unique characters often exceed even the most notorious foes of the Hulk, proving that monstrosity is not solely reserved for those of human origin. Here, we explore twelve of the most powerful non-human Hulks documented thus far.
12. The Dogs of War (Gamma Dogs)
Debuted in Incredible Hulk Volume 2 #14 by Paul Jenkins and Ron Garney





Among the various gamma-irradiated canines introduced in Hulk’s history, the Dogs of War stand out. Created by General John Ryker, this fierce pack was formed through the horrific act of feeding gamma-infused meat to trained attack dogs. Featuring the horror-inspiring Sirius, these dogs viciously attacked the Hulk but ultimately met defeat at the hands of the Jade Giant. Their notable appearance in Ang Lee’s cinematic interpretation also left a lasting impression on audiences.
11. The Outcasts
Introduced in Incredible Hulk #327 by Al Milgrom and Steve Geiger



The Hulk was not the sole creation of Bruce Banner’s gamma experiment. The gamma bomb’s blast profoundly affected the surrounding wildlife, leading to the emergence of the Outcasts—a bizarre coalition of mutated animals and plants. Residing in underground tunnels left by Banner, these beings initially allied with the Hulk but later distanced themselves, fearing that Hulk’s fame would expose them to human scrutiny.
10. Gamma Insects
First Seen in Planet Hulk #1 by Sam Humphries and Marc Laming




Set in the irradiated realm of Sakaar, the storyline of Planet Hulk introduces intriguing gamma-powered entities, such as the gamma insects. These subterranean creatures pose a significant threat, as they swarm and devour unwary travelers in their territory. While individually weak, their overwhelming numbers are near-impossible to combat, showcasing the relentless nature of gamma mutation.
9. Monolith’s Horse
From Hulk Volume 6 #9 by Donny Cates and Ryan Ottley




After Hulk redirected gamma energy into another dimension, an entire world transformed due to these blasts, leading to the creation of the gamma horse. Monolith, the superhuman ruler of this ‘Hulk Planet,’ guided these creatures, using their immense strength to construct statues of the Hulk. This horse not only possesses extraordinary strength but can also harness its rider’s abilities, allowing it to traverse the air, akin to rocket propulsion.
8. The Hulk-Eater
First Seen in Planet Hulk #2 by Sam Humphries and Marc Laming



During the events of Planet Hulk, Captain America and the Devil encounter the macabre Hulk-Eater—a massive carnivorous plant reminiscent of a Venus flytrap, which is capable of consuming Hulks whole. Inspired by John Wyndham’s horror classic Day of the Triffids, this formidable plant exemplifies the terrifying potential of gamma-irradiated flora.
7. The Boar Brothers and Bruce Banner’s Additional Gamma Beasts
First Seen in Incredible Hulk Volume 3 #1 by Jason Aaron and Marc Silvestri





In a narrative arc where Bruce Banner and Hulk are physically separated, Bruce indulges in dark experiments, crafting a bevy of gamma-mutated beasts including the Boar Brothers—two swine granted intelligence and humanoid forms. These formidable enforcers assist Bruce in his sinister quest to reclaim and use the Hulk as part of his experiments, demonstrating the potential horrors of unchecked scientific ambition.
6. Korg the Kronan
Full Debut in Incredible Hulk Volume 2 #93 by Greg Pak and Carlo Pagulayan



Korg the Kronan represents a unique case among Hulk entities, as his strength isn’t derived from gamma energy. Originating from the alien planet Ria, Korg first appeared in Journey Into Mystery, ultimately aligning with the Hulk and aiding him in battling tyrants on Sakaar. With considerable strength of his own, Korg evolves into an honorary Hulk, joining the ‘Hulk Family’ alongside other notable characters in the Marvel universe, marking a significant transition in his character’s trajectory.
5. Bull Hulks
First Seen in Planet Hulk #2 by Sam Humphries and Marc Laming



While traversing Planet Hulk, Captain America and Devil encounter the formidable Bull Hulks, a herd of astonishingly powerful creatures equipped with fearsome horns and tusks. Each individual Bull Hulk possesses enough strength to rival that of legendary creatures like the Devil Dinosaur, showcasing the scale and danger of these gamma-irradiated mega beasts.
4. Titan
Introduced in Spider-Woman Volume 8 #7 by Steve Foxe and Ig Guara







Recently introduced, Titan emerged as a figure claiming to be one of several youths transformed by Hydra’s experiments—only to be revealed as a mech created by Kondrati Topolov, the Gremlin. This highly advanced armor mimics organic life and can unleash powerful electric attacks, underscoring the complexity of character creations within the Marvel universe.
3. The Sea Hulk
First Seen in Planet Hulk #2 by Sam Humphries and Marc Laming



The Sea Hulk stands as the deadliest of the gamma mutations encountered on Planet Hulk. Drawing inspiration from Ray Harryhausen’s cinematic creations, this colossal water creature exhibits traits from various marine life. The Sea Hulk’s immense size and power leave a path of destruction, capable of devouring even Hulk-sized opponents before finally being vanquished.
2. Gamma Kaiju
Introduced in The Ultimates #3 by Deniz Camp and Juan Frigeri



The Marvel Ultimate Universe has taken gamma radiation to a new level, with the introduction of Gamma Kaiju. Created to scrutinize the effects of radiation on nearby fauna and flora, these oversized creatures mimic the characteristics of kaiju from classic cinema, presenting an enormous threat to any heroes that engage with them.
1. Cosmic Hulk (Robot Hulk)
First Seen in Eternals #14 by Jack Kirby



The Cosmic Hulk, a robot powered by cosmic energy, stands as one of Marvel’s improbable yet formidable villains. Brought to life by students aiming to make the Hulk the face of their college, the sentient Cosmic Hulk gained its immense powers through the influence of the Eternals. Its ability to absorb energy increases its might, while offering additional capabilities such as flight and energy projection. Interestingly, the Cosmic Hulk evolved from an effort to keep Eternals’ mythology distinct from conventional superhero stories, ultimately bridging them into the Marvel Universe.
These twelve powerful non-human characters enrich the narrative fabric of Hulk lore. Which character do you think deserves a higher ranking? Share your thoughts in the comments below!