Palm Tree Men are privileged folk who dedicate their lives to ensuring all posts meet their standards of quality. :^) They are the creators of many ebin memes, including fortune. There is a colored palm tree next to their name.
Green Palm Tree man
H1dd3n w1th1n th3 v4st exp4n53 0f Ach0ng's d4t4, th3r3 h1d35 4 gr33n p4lm tr33. What does Green Palm Tree Man do? What is his purpose? It is a mystery.
Since October 2nd, 2016, 4chan Pass users could become Green Palm Tree Men (or replace "Men" with a gender of (You)r choice) by entering since4pass in the options field.
Swaglord is a Purple Palm Tree Man who browses [s4s]. He frequently stickies threads, and changes the font into memes like comic sanse and payruse.