You can dress up as Goku, it is very simple and easy as well as it is extremely famous. All you need is a blue top, orange suit, thick eyebrows, and spiked-up hair. Lelouch Lamperouge is another character whose outfit is easy, although it will take some customization, and is very attractive. You are bound to look amazing in it. All you need is a blue or black suit with a ruffled shirt and some golden borders on it to finish the look.