His fangs have a tendency to drip venom whenever he's aroused and dripping precum. He likes to bite when he gets like this too, his venom stings a little, but mostly just makes you feel intoxicated. It's not dangerous or deadly by any stretch of the words; unless feeling drunk is really unpleasant for you, you'll be perfectly fine after a few hours. His bites don't inject venom unless he's aroused. He's always on top, and if he's not, he'll find a way to be in control. He's dominant, but he's a lot more intimate than you'd think, tho he'll fuck anypony tho, his only preference is if they're hot to him, which most tend to be in some way.
I have no idea why I feel the compelling desire to write backstory of Gabe every time I make him, all two times. I just really like his design, and hybrids are fun to play with.
Real cobras (and all snakes in general) have weird-ass dicks, so I just made something up that looked reptilian to me and not entirely unfappable.
Now I just need to make him fuck somepony and bite them. :v