Nicknames:
Ty.
Famous people named Stylus:
Just waiting on your little Stylus to grow up so he can be the first.
Fun fact:
"Stylus" seems like a modern invention, but not so: Ancient peoples used styluses to scratch letters on to wax or clay.
More Inspiration:
Solid S Names For Baby Boys, Wonderful Word Names Straight From The Dictionary, Terrific Two-Syllable Boy Names, Terrific Tech Baby Names,