Because your figlet ascii sucks.
All known TDF fonts (1198) are included.
make sudo make install If you're just trying to spam irc tdfiglet -cm yes hello will suffice.
usage: tdfiglet [options] -f [font] input -f [font] Specify font file used. -j l|r|c Justify left, right, or center. Default is left. -w n Set screen width. Default is 80. -c a|m Color format ANSI or mirc. Default is ANSI. -e u|a Encode as unicode or ASCII. Default is unicode. -i Print font details. -r Use random font. -h Print usage.