What is your favourite font for writing an essay?

Tahoma

If you had to underline something, would you do a single one, or a double?

Double for a main title - single for a subheading.

What size font do you usually write in?

12

(Is there a way to chage the font at wotmania?)

Dunno.
Think not.

What colour do you use in the wotmania chat?

Sometimes my own colour.
Use "Spoonman" in a colour tag, and see what it is

Do you know how to change font at wotmania?

Yup.

And so ends the short and sweet survey.

Indeed