I don't get enough comments to get hate lol.
I remember some weirdo commenting an uncomfortable sexual thing about my art way back on deviantart, coming back under few different accounts, but then disappearing because he either got bored of being blocked, or was banned from the site for being a sexist asshole.
another weirdo sending me a note asking me if i'm into [insert literally every thing that makes me highly uncomfortable], leading me to doing an 180 and deleting my DA account which I initially just planned to abandon.
thanks!
I draw obscure fanart of obscure characters and monsters mostly for a dead fandom that has a contingent of people that hate my guts for whatever reason, no wonder i don't get a lot of comments
I once got a comment (on a different site) that said:
"First, and probably last comment lol"
Couldn't you just post 'first' and leave like normal people? But that not where the story ends. I got another comment, the same day that said:
"Second"
2
Not on Tapas, but one person said my art is awful and no one wants to look at it.
You're not objective with your opinions if you have a beef with someone, tho. 
"I lost my interest in your story as quickly as I became intrigued by it. It's so slow-paced."
Giving that the person telling me this is only interested in fact-ass comics, yeah mate my novel ain't for you. But I'm not gonna put a weird comment down your work because I might not like it, it's free content we're talking about get a grip. D:
I think I may have had comment once that could be interpreted the wrong way but I am not sure. It was a very long time ago XD
Huggles, well I'm enjoying your comic so far ^^/ It can be so disheartening getting such cruddy feedback, I just find it hilarious when you tell them to do better then if they're such an expert. Worked when I was a barista too XD 
I was talking to my sibling about the difference between critique comments (constructive criticism and a polite way to say them) and just bad, mean, troll comments. They taught me how to critique politely in school. If the creator is okay with constructive criticism, tell them some good points and points that need work. Heck, tell them the points that need work and provide some good sources if they ask for how to improve. People that commented on your work Sorcerer's Rise just wanted to say something mean to say something mean. If they took time instead to cure real life problems in the world instead of taking time to try to ruin someone's day, we'd all be much better off, in my opinion.
I am always a firm believer of spreading love and if someone is okay with tips and tricks, how to improve, by all means, but there's a polite way and disrespectful or mean way things can be written or taken.
I’ve had negative stuff said about my work (as well have at one time or another), but the one that will HAUNT me was not necessarily negative, but I Painstaking established the MC’s motivation for revenge via the death of her mentor for the first quarter of the book, constantly referring back to it, and near the end of the book when the whole matter was getting resolved about who killed her mentor and why someone asks ‘who is (mentor character’s name)?’ And I just about died.
YES!!!! It almost hurts when we take a lot of time and efford and it seems in vain... I spend days writing and drawing to get... nothing. It's demotivating indeed.
The worst tho was not reeeeally that bad when you see it, but I always remember it and get sad hahaha
My comic's about depression and stuff, and my character was always tired cuz... well, depression. And someone made fun of it. "oh wow he's slept aaaall day and is tired againnnn"
When i'm writing I always remember that and GRRRRRRRRRRR but yeah. Otherwise, I've got a couple of readers that are just cuties <3
Fortunately I haven't had this happen to me, yet, but I think I'm mentally prepared to take it if I ever get such a comment (after curling up into a ball and crying my eyes out). 
i haven't had 'bad' comments. just ones that are completely offsubject lol.
think the rudest one i've gotten is like 'when you like the antagonist over the protagonist' it makes me feel a lil awkward since thats the chara i work the hardest one--
I think it is fine that some readers prefer the antagonist than the protagonist, however it should not be reproached to the author like that. Also, it does not mean the author did a mistake, it may be simply a personality difference between author and reader.
I often feel closer to antagonists that are non human sentient creatures like aliens or fantasy non human races, for example. I find it is difficult to comment politely to explain that. Sometimes the author get upset no matter how it is explained. But in my opinion the minimum the commenter should do is explain the personal path that made them feel closer/more empathetic to the antagonist, or sinply more interesting, due to the commenter personnal interests and expectations.
Edit: re reading it, the comment you receive can be taken a different way too, as 'when you (=me, the reader) is so weird that...) which is not a critic toward you at all. But it's not very clear.
I'd say the worst comment I've had so far is " It took you that long to draw that?" and that was yesterday in a conversation with someone I know.
It just rubbed me the wrong way as immediately after they went on to show me a bunch of artwork they had done in "minutes" as if to make a point.
Outside of that nothing.