A slathering, black-suited, nightmarish pseudo-doppleganger to Spider-Man, Venom is an alien symbiote from outer-space that attaches itself to a human host.
Frankly, he's totally nuts, which is why he's easily the greatest of all the Spidey villains. It also helps that the Venom symbiote can attach itself to anybody, meaning it's basically unstoppable.
: For all o
f Spider-Man 3
's faults, not least the portrayal of Eddie Brock as Venom, the look of Venom was pretty flippin' cool.
If he was to turn up in later Spidey films, we'd want him to be even more off his rocker - and no more of that silliness where Brock's face breaks through Venom's.