It's FrankerZ, an emoticon on twitch.tv, a popular website for streamers. On some streams (most notably this one: twitch.tv/siglemic although he won't be on for awhile) FrankerZ is seen almost every other post lmao. It's funny, my explanation just sucks.
So I was reading your interests and I noticed you're majoring in accounting. I plan on doing that too (at least a minor, dunno yet :/) cuz apparently with that degree you can go into basically any field (everyone needs accounting even though no one likes it ;D)
Also, if you like dogs then the best dog ever is right here: . Like, seriously. You might not get where it's from, but just trust me.