Okay, I've had it up to here with this ridiculous statement. If I had a nickle for every time I've heard someone go "ZOMGERZ! Feebas is ugly and Milotic is pretty 'cause it says so in the POGEYDEX!" I'd be a very wealthy man.
Seriously, stop dising Feebas. It's cool, awesome, and way more adorable than Milo. (Honestly, I don't get people's obsession with the scaled worm and its alleged beauty, just because it says so in the pokédex it doesn't mean it's true xP)
As for the Gastrodon family...I don't know where you come off saying that. Like UrutoramanCosmos and Kohei said: they're adorable. I mean, just look at Shellos and its cute button eyes. It makes me want to squee and hug it, and that's coming from a guy. :3 Gastrodon isn't quite as cutesy, but it's pretty cool, and it gets extra coolness points for being a sea slug. I have half a mind to train one once D/P comes over to this side of the glorified puddle simply because I love the design. ^^
So yeah, don't try to force your deluded tastes on others. Really, topics in the vein of 'I think this pokémon is ugly, don't you agree with me?' are pretty pointless. Beauty is in the eye of the beholder, you know.