Here is an index of all the userboxes I have created.

Code

Result

FLA

This user can program games with Adobe Flash.

This user's favorite composer is Frédéric Chopin.

((User:N4nojohn/Userboxes/Coffee|number cream|number sugar))

This user takes his/her coffee with 3 creams and 4 sugars.

This user would rather drink coffee than tea.

This user would rather drink tea than coffee.

This user prefers Coca-Cola over Pepsi.

Pepsi

This user prefers Pepsi over Coca-Cola.

CTC

This user agrees that Cinnamon Toast Crunch is the best cereal ever.

This user plays squash.

This user loves getting tangled up in Knot theory.

This user thinks polar coordinates are pretty.

This user knows how to travel 1 mile due south, due east, then due north and end up where they started.^†

{\displaystyle \sum _{k=1}^{\infty }{x^{k} \over k!))

This user loves problem solving.

This user exploits the pigeonhole principle.

This user plays racquetball.

This user plays bocce.

This user plays water polo.