Moriarty the patriot
Global Examination (bl)
awesome choice dude, it's one of my fave manga as well
Mystery to iunakare
Kings' Viking
Code Geass.
Thank you so much guys, I really appreciate all the suggestions! I'll be sure to add these to my reading list ٩(๑❛ᴗ❛๑)۶
Ikr. I still can't get over how genius they are, i will be sure to check out your suggestions too
Drop your fave intelligent/genius/smart MC hereヾ(❀╹◡╹)ﾉ~
Any genre is fine. Webtoon in general or mystery or romance or horror or etc, just anything(๑•ㅂ•)و✧