"Who The Fuck Is Twatical" is a widely spread meme over the Pacifist Duck / Let It Grow (The Lorax) community. Twatical is a YouTuber with over 3000 subscribers and makes a variety of memes on YouTube(https://www.youtube.com/channel/UCKEzqCvqYXv7ea548x07KPQ)
The orgin of this meme comes from popular YouTuber Pyrocinical (https://knowyourmeme.com/memes/people/pyrocynical) and also on DIscord. When YouTuber Pacifist Duck (https://www.youtube.com/channel/UC3Afj8DuNUu2PV74fJGw-Fw) invited Pyro to his Discord server, Pyro went on a voice channel and Pacifist Duck asked if he knows Twatical. Pyro responds and says the line " Who The Fuck Is Twatical?"
The spread of this meme came from YouTuber Pacifist Duck. On Feb 17, 2017, he uploaded a video called "Who f*ck is Twatical.mp4" which has 3000 views at the time.
https://www.youtube.com/watch?v=eDC-S1zWets
after that, people started spamming the line to Twatical on twitter, and he wanted people to stop.
On Feb 24, 2017, Pacifist Duck uploaded ANOTHER VIDEO called "who the fuck is Twatical? [POORLY DRAWN/ANIMATED EDITION]" which has 2000 views at the time.
https://www.youtube.com/watch?v=nX35c0ehtsk
but for real, subscribe to Twatical. he has amazing memes.