Vince

Biography:
Vince is Mac's best friend and keeps track of income and expenses. He is a Cubs fan and loves baseball. He is very loyal to Mac and is the secondary protagonist throughout the series.

Trivia:

 * His grandmother once got in trouble for swearing at church
 * He is shown to be very logical when faced with a difficult situation

Appearances:

 * The Fourth Stall
 * The Fourth Stall Part 2
 * The Fourth Stall Part 3
 * The Fourth Stall Part 4 (Fan-made book)