I leaned more towards the suggestions to make it more letter-like after all, and made liberal use of tom7 fonts, which are the max keen.
http://www.contrib.andrew.cmu.edu/~jcreed/csdcolor.png
Oh jeez Boulet, this is what you casually slap together for a 24-hour comic? Come on, now, you're just showing off. (But seriously it is so cute)
Compare: (a) Borges's Celestial Emporium of Benevolent Knowledge. (b) Today's smbc. --- A further example of excellent linguistic trolling…
Le Ballon Rouge