Since Eddie is Venom's primary host, he's usually referred to with “he/him” pronouns, but the Symbiote race overall has no explicit gender. This characteristic has made Venom a haven for non-binary and gender-noncomforming fans. Something that people so often forget is the little “plus” on the end of LGBTQ+ community.
No, they don't. A seen easily with Venom, he can take the form of a male (Eddie Brock) or a female as She-Venom (Anne Weying). His voice and appearance changes according to that, however most symbiotes are identified as being males due to more males possessing symbiotes in canon entries.
Symbiotes are gender fluid
Beings of sentient goo that can express all kinds of gender all over the place.
She-Venom (real name Anne Weying) is a fictional character from Marvel Comics, appearing as a supporting character in the Venom and Spider-Man comics. She is the ex-husband of Eddie Brock, who is better known as the anti-hero/villain Venom.
Following it giving birth to Toxin, Cletus began affectionately referring to the Carnage symbiote using female pronouns. He has more recently reverted to referring to it with male pronouns.
Originating as an offspring of Venom, Carnage is much more powerful than its parent symbiote because of the symbiotes' biology, and is in many ways a darker version of him.
One of the most tragic and weirdest Venom stories is how the symbiote made Eddie Brock pregnant, and this pregnancy created more chaos than Carange.
She-Venom (Anne Weying) is a fictional character appearing in American comic books published by Marvel Comics. She is the ex-wife of Eddie Brock. She is the first character who goes by the She-Venom identity, and she is also colloquially referred to as the Bride of Venom.
Dylan Brock is the son of Eddie Brock and Anne Weying. When Anne bonded to the Venom symbiote, she somehow became pregnant with Dylan. He was created by the symbiotes in order to destroy their god Knull and sever him from the hive-mind.
Venom refers to himself when merged with Eddie as “we” and usually switches between gendered pronouns depending on his host. Since Eddie is Venom's primary host, he's usually referred to with “he/him” pronouns, but the Symbiote race overall has no explicit gender.
Symbiotes are genderless, reproduce asexually, and generally produce only one offspring in a lifetime.
When they bond to a host, however, they do tend to take on certain physical traits associated with the gender of the host species. Furthermore, they are also asexual, meaning that they do not need a mate to reproduce. This has been seen with Carnage especially and all other spawn of Venom.
The baby was finally delivered in Venom #165, but it didn't go as smoothly as any previous. Understandable, as both have gone through plenty of trauma since then. But with Mac Gargan aka the Scorpion wanting to become Venom once again, Eddie needed to protect his better half while in labor.
While captive, the Venom symbiote was forced to give birth to five offspring - Riot, Lasher, Phage, Agony, and Scream - who were bonded to PMCs hired by the Life Foundation. When corrupt corporation Scarmore Inc.
Symbiote (comics) - Wikipedia
translates into a deep love-hate relationship with Spider-Man, as Venom simultaneously wants to kill Spider-Man, but also re-bond with him.
The relationship between Eddie and Venom was hailed by both critics and fans. Those that ship based around the comics, believe that the two are already in a committed relationship. Often they site the two raising one of Venom's offspring together.
The spawn of the Venom symbiote then attached itself to Kasady through his bloodstream. Carnage achieves this by entering Kasady's body through a cut on his hand. This is the reason why Carnage appears as the colour red, as he entered through the bloodstream, which is of course red.
Knull, also known as the God of the Symbiotes, is one of the overarching antagonists in the Marvel Comics universe, serving as the main antagonist of the Venom comic book series.
She-Venom (Anne Weying) is a fictional character appearing in American comic books published by Marvel Comics. She is the ex-wife of Eddie Brock. She is the first character who goes by the She-Venom identity, and she is also colloquially referred to as the Bride of Venom.
For example, Venom gave birth to seven "children", and its first child Carnage had three. senses that extend over its entire surface, enabling hosts to "see" what is behind them or otherwise not in their line of sight (like a Spider-Sense).
Carnage was once a serial killer known as Cletus Kasady, and became Carnage after merging with the offspring of the alien symbiote called Venom during a prison breakout. The symbiote amplified his psychotic nature making him even less mentally stable than he had been previously, and therefore even more dangerous.
After a massive showdown at the end of Venom: Let There Be Carnage, Venom defeats Carnage and eats him - but some viewers have wondered if the consumption will have any impact on Venom's strength. Comic book enthusiasts were clamoring for the on-screen face-off between the symbiotes, and the movie didn't disappoint.
Though Venom ultimately kills Carnage at the end of the story, he's too slow to stop Carnage from awakening Knull and luring the dark god to Earth. That's the foundation for the sequel, 2020's King in Black.