Ok, 3 is enough to get things started.

For character creation I’m thinking of the following, you get to pick any three and I will pick the rest. 
Let me know if you think there should be any other headings or options.

Age: 18-24, 25-34, 35-49, 50-69, 70+  
Sex: M, F, 
Height: Tall, Short, Average
Physique: Slim, Slightly padded, Lean, Body builder, Overweight.
Skin tone: Fair, Olive, Light brown, Dark.
Talent: Educated, Mechanically minded, Combat instincts.