As far as I'm aware, Sundance goes by the username Sheer on FurAffinity and is a hugeass furfag artist with an equally hugeass BDSM fetish, the type who draws multiple tentacle-dicks in super buffy bara guys. He also has two NSFW Tumblrs, sheerstoybox and teamquickworknsfw (or something to that extent), and they're filled with gay Pokeporn and monsterporn.
Now, there's nothing wrong with any of those things (if I personally thought so I wouldn't know all that stuff), and I can't ignore the fact he's a pretty darn good artist. His comics are neat and his line work is very pleasing to the eye. But it is a bit troublesome to put mature fetishy subjects in a work that's supposedly targeted towards kids (well, you ARE using cute Pokemans as a medium; if you don't want people to imply that you either let it be known or you use your own damn creations). I mean, sure, it's interesting when creators manage to get crap past the radar, but most of the time, that is done subtly and is only noticed by adults. When it's blatant, it's just fap material and fetishism for the writer (nothing inherently wrong about that either, people create what they want/like, but you can't expect everyone in the community will be fine with it). You see creators putting mature stuff in their family-friendly works all the time, but people don't complain unless it's crass, and I guess that's why so many PMD-Users were upset about it (the same way some folks complained about the BDSM items in PMD-E). Because it's freaking SCREAMING on their faces and no one was really expecting it.
I understand where he was headed with the joke. I didn't personally find it funny, but I can sort of get what he was trying to communicate. I think the whole BDSM was indeed supposed to be implied and then deconstructed, but, eh, it didn't really make me giggle. The funniest part were the last two panels where the Sceptile goes HUUURRR and the frog goes "lelelele i trell u". In the torture panel, though, the Sceptile was pretty much ready to get his ass boned. Literally. It's sticking up and his legs are spread apart, waiting for daddy to do his "work". Torture is pretty bad itself, but when you combine it with one-sided sexual pleasure it's just "nope".
Big lizard thing in BDSM gear annoyed me a little, mostly because he is a rather weak character. How does one character go from a straight, respectful, loving father figure to a sadomasochist gay prison warden torturer in like, two panels? That was really off-putting. Did he have a heel-face turn because his son's mother didn't stick around, making him not only change sexual orientation but also morality?
Honestly, is it really that difficult for writers to make their characters consistent? Or is he supposed to have always had some "dark, embarrassing secret" and has always been an abuser or what (maybe that's why the mother left huehuehue)? I don't know, I didn't give many shits about PMD-U, so I have no clue if these characters were supposed to have any sort of plot development, especially considering the creator is mainly a porn artist (and we all know how hard it is for people to create porn WITH plot, apparently).