A unique name should stand out when placed next to similar names. Also, proper grammar and spelling looks better. Simply adding a number or underscore to another persons name doesn’t make it original.
So it’s more likely to be remembered. Names with symbols or numbers can be more difficult to memorize or type on a phone.
You might want to secure your name across Instagram, Youtube, Twitter, Snapchat etc.. When choosing a brand name, you should also look for an available (preferrably .COM) domain name.
One day you may just be big with lots of followers, and you can't just change the name around that point. being associated with a unique and attention-grabbing screen name is a great way to showcase your personality and create a memorable impression.
Your handle might even affect the results of your job search or dating profile if it refers to something inappropriate.
A good place to start would be making a list of words that make you unique.
You can then enter these words into a username generator and give it a few spins. Even if some of the generated names make little sense, they can inspire you to come up with an imaginative name on your own.