The people in r/okbuddyviltrum were discussing whose ass is better betwen Anissa and Eve from Invincible and someone cooked.
Do you really want the alternative?
Anissa is a loyal Viltrumite. Given her proclivities, and generally how Viltrumite culture works, their reproductive habits do seem to be structured around a eugenics approach to sex. Anissa has no concept of it being immoral to force herself on someone else, while Nolan does, meaning that Nolan probably only learned about this concept from his time on alien planets. It seems rational to presume that, given Viltrumites don’t really do recreation at all, sex for them is traditionally something done purely for the sake of reproduction or to establish dominance. Given that they don’t seem to have been trying to birth a new generation from their limited gene pool, given that Nolan has been gone for ages and the number of Viltrumites hasn’t changed, we can presume that’s off the table. So Anissa is likely a virgin. Frankly, who is she going to fuck? Nobody there seems like a logical match.
Eve meanwhile dated Rex. Furthermore, she also came from a highly conservative household that she hated and is extremely rebellious against. Eve and Mark smash pretty early on into their relationship, and they do so quite frequently. So, Eve probably has had a lot of sex with at least one other person, Rex. Rex has been established to be into shower sex, and shower sex is not the best time to use a condom due to the complicating factor of hot water. Plus, it’s spontaneous, which means having one on hand is unlikely. Eve and Mark are established to use condoms, and that didn’t work out well, so Eve absolutely is not on birth control. So, Eve has likely done a fair amount of anal with Rex in the showers.
Thus, if we’re evaluating Anissa and Eve based on the criteria of ass, Anissa is likely to have the tighter asshole, while Eve is going to be the more experienced buttslut. However, given that we’re human beings, Anissa having a tighter asshole is a very bad thing. Anissa is likely sexually inexperienced, and so is liable to have her muscles tense at Viltrumite strength. Her asshole is going to be a flesh guillotine. So you really should not fuck Anissa in the ass if you wish to keep whatever you stick in there intact.
So, Eve is absolutely the better choice both on skill and the fact that Anissa would cut it off without even meaning to. Frankly, you’re unlikely to even be able to get it in Anissa’s ass unless she is totally relaxed and lubed up.
Note: this is presuming you can even get it inside Anissa’s ass. A virgin asshole with Viltrumite strength? There’s a good chance that even with lube, even if she was as relaxed as possible, it would be physically impossible for any human to be strong enough to get past the sphincter.