Fusion of two svg designs: GNU and Freedo
https://commons.wikimedia.org/wiki/File:Gnu-head-30-years-anniversary.svg
https://commons.wikimedia.org/wiki/File:Freedo.svg
Gnu-head-30-years-anniversary.svg: Nicola Spanti/Free Software Foundation
Freedo.svg: Rubén Rodríguez Pérez &lt;ruben@es.gnu.org&gt;