Yes, now for the big point of the matter. Guardian Rules. First off, you cannot use a guardian until you are level 2, which should be fairly easy to get there.
They also have their own layout.
Name: (What is the name of your guardian ARM?)
Nickname: (Does it have a nickname? What is it?)
Type: (What type of Guardian is it? Holy, Nature, Darkness, etc.)
Physical Description: (What does your guardian look like?)
Special Ability: (Does your Guardian have any unique abilities?)
STR: (How strong is your Guardian??)
SPD: (How fast is your guardian??)
DEF: (How much hits can your guardian withstand?)
MAG: (If You Guardian has any beam-like or far ranged atatcks, involving magic, how strong is that?)
Attacks: (What attacks can your Guardian do?)