April 7 marks Super Junior Siwon's birthday. To celebrate the occasion, we at allkpop decided to compile a list of our favorite Siwon derp faces! Behold the derpage that has been making us laugh for years.�

SEE ALSO: A Blind user explains the detailed timeline of Min Hee Jin's time with Source Music and ADOR and her dispute with Bang Si Hyuk

1. Siwon cannot contain his feels for this list.�

2. He's so excited, he's gonna sing us a song.�

3. And do a little dance.�

4. Umf. Dat duckface doe.�

5. Now get down and "do the stanky leg. Do the stanky leg."

6. Whoa. Would you look at those abs....

7. Focus, Siwon! This is no time to be drooling atchoself.�

8. "DON'T TELL ME WHAT TO DO."

9. Well... that escalated quickly.�

10. "I believe I can flyyyyyyy...."�

11. "I would prefer it if I didn't have to driiiive...."�

12. "I think about it every night and day...."�

13. "Spread my wings and--"

14. Eugh... would ya look at that armpit hair.

15. "STOP JUDGING ME."�

16. Just kidding. We love you Siwon! Master of the derp. Hero with the arc reactor crotch.

17. When it's not beaming light, his crotch does double duty as a fortune cookie.�

18. Oh my.

Happy birthday to Siwon!