Characters. Without Characters a roleplay is not a roleplay. There has to be someone/something to portray. This will tell you the basics in creating characters.
Name:Your Character needs a name. Honestly, there isnt much advice that can be given here. Do not use names from already existing characters or at least refrain from doing so. Make it original. Also, make sure his/her name isn't incredibly obviously related to what they do or their power. Google translate may be more useful then you think. Translating say, air or some other element, may sound more fancy or cool in a different language and not be obviously related to something.
A useful tool is this
Name Generator. All else I can say is dont make it corny.
GenderIt tends to help to just pick the gender you are or your used to portraying. All up to you and no one is better then than the other
AgeMany roleplays differ and age is the same. Depending on the kind of roleplay certain ages are appropriate. A 64 year old doesnt belong in high school... Certain ages tend to display certain traits, older more experience and maturity, younger more foolish, rebellious and etc.
AppearanceThis one of the most important parts of your character. Certain features will become your characters trademark. Not much Advice can be given here also. Just be descriptive if not using a photo and dont make your character absolutely perfect. Also, age and appearance sorta are related. Dont make an old man appear as a toddler unless your benjamin button. I'm thinking about old men alot for whatever reason... Well a few examples of your external bod are these parts:
Height, weight, physical body type, skin tone and coloration, abnormal appendages, scarring, eye color, and clothing. Take most of these if not all into consideration when explaining a character.
RaceMuch of the things that make a character a character are best decided by you. Race is one of these. Im not just talking human ethnicity but if your character is part chimera or something. Completely up to you but I will recommend some originality. Dont go with half dragons or half werewolf... Nothing too common unless you dont care about originality.
Personality...So much customization that would be wrong to criticize while telling someone how to make a character. Just always go with originality. Personality however, you can copy and shouldnt feel much guilt unless they are perfect/ I'm lying go originality. Characters attitudes are basically the most important thing past their name, appearance, and and everything. Personality controls all other aspects many aspects of your life whether you like it or not. This includes alignment. Good or bad? Moral or Immoral? ...So many way to describe a character.
Just a few words to use.