I write books and play guitar. 

Also, I have a patreon account. So do check it out. 
https://www.patreon.com/marsxb

And I used to write fanfics here but due to issues, only the other platforms are left now

So here's the links to those
https://archiveofourown.org/users/LukeCastellan1986
https://www.fanfiction.net/u/15062718/LukeCastellan1986