Was lucky enough as a kid to receive an answer by this extremely kind person when asking for permission to modify Tux for a local LAN party flyer
and a mean looking version with GNU boxing gloves! https://isc.tamu.edu/~lewing/linux/older.html
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[1] https://isc.tamu.edu/~lewing/linux/
[2] https://isc.tamu.edu/~lewing/linux/notes.html