AoC supports face and color in font tags in script files:
<font color=red face=hyboriansmall>
The BeBot code for theme does allow for faces, only color.
Here is a list of all the faces available:
HYBORIANLARGE
HYBORIANSMALL
LARGE_BOLD
LARGE
NORMAL
NORMAL_BOLD
SMALL
COMBAT_FEEDBACK
FLYING_NUMBERS_SHIELDED_ITALICS
FLYING_NUMBERS_SHIELDED
FLYING_NUMBERS_ITALICS
FLYING_NUMBERS
3D_TEXT_HYB
3D_TEXT_ARIAL
3D_TEXT_SMALL
SCALED
3D_TEXT_BOLD
3D_TEXT
HEADLINE
CHAT
HUGE