Pokud si chcete zkusit nakreslit vlastni ANS, tak je dobry tohle:
GitHub - blocktronics/moebius: Modern ANSI & ASCII Art Editor
https://github.com/blocktronics/moebius

Pouzivam ttohle:

#!/bin/bash
#  -fa knight \
/usr/bin/uxterm \
  -fa terminus \
  -fs 12 \
  -fg darkGray \
  -bg black \
  +samename \
  -geometry 80x25+80+0 \
  -T " " \
  -xrm "xterm*allowTitleOps: false"  \
  -xrm "xterm*selectToClipboard: true" \
  -xrm 'xterm*iconHint: /home/user/dev/gui/xterm'

v 640x480 tak akorat...
+ screengrab