Nerd Fonts patches developer targeted fonts with a high number of
glyphs (icons). Specifically to add a high number of extra glyphs
from popular 'iconic fonts' such as Font Awesome, Devicons,
Octicons, and others.

Anonymice (AnonymousPro) is inspired by Anonymous 9 on Macintosh,
since 2009, with distinct 'O', '0', 'I', 'l', and '1'.