im so proud of you for this one, at least I know you're not in deep enough that you repeat the "LG and Hexbear are all chinese bots!?!?" cliche.
Still it hurts, can't you stroke our egos more like normal liberals do by pretending we're important enough for China to pay attention to us like that 
By the way, I keep seeing this emoji, and I get that it's supposed to represent laughter, but what's the context behind it? Who is that guy?
The emoji is called michael-laugh so evidently. I'm assuming you're referring to Michael Jamal Brooks (political commentator, 1983-2020) as opposed to the inexcusable number of other notable Michael Brooks on Wikipedia.
Yes, we all loved the direction he was taking MR on r/cth and then he suddenly died right before the launch of chapo.chat (now hexbear), so we of course created this in memoriam.
You're asking the wrong person lol you need to ask one of the older hexbear users, I consider myself a LG user (which is why I use this account) and I also have only had an account on Hexbear since May anyways, I just think it's a funny emoji. when I'm using hexbear emojis im opening up hexbear on another tab, clicking reply to some comment or post, searching for the one I want, and the copy and pasting it over to the comment I'm making on LG