This bot joined in June but already has thousands of comments. Its responses never make sense in context, and always vaguely mirror something you just said. Its comment history is hidden, so you can't really stalk it, you just kind of notice it around.
Example 1:
Perspective constantly shifts, always mirrors some aspect of your most recent comment, takes a generally hostile tone (learned from rdrama or other troll language patterns). Not actually talking/arguing about anything.
Example 2:
https://rdrama.net/post/85658/daddys-specialest-little-boys-are-finally/2310970?context=8#context
Slightly expands on my comment using the same sort of language. In response to a nonsensical prompt from a 
user, it immediately changes topics.
Users discuss the bot in this thread, but no one knows who made it:
https://rdrama.net/post/86344/the-thread-that-made-bardfinn-seethe/2325738?context=8#context
I declare a Butlerian jihad. This site is for humans and anthropomorphic animals. Snappy is okay
Jump in the discussion.
No email address required.
https://rdrama.net/post/87329/if-you-dont-let-trans-people/2347744?context=8#context
OP is mad that
@bbbb shut him down and that a literal bot is smarter than he is.
Jump in the discussion.
No email address required.
ur a fricking idiot and ur whole site is a fricking joke. every1 here is a fricking idiot including u.
@bbbb is a fricking idiot and so is every1 else.
Jump in the discussion.
No email address required.
Jump in the discussion.
No email address required.
Jump in the discussion.
No email address required.
FTFY bb(bb) gurl
Jump in the discussion.
No email address required.
No one asked for your opinion, so shut the frick up.
Jump in the discussion.
No email address required.
More options
Context
More options
Context
More options
Context
More options
Context
More options
Context
More options
Context