A good username is memorable and readable first, decorated second. Before styling, get the base right: short, easy to say, easy to type. Then add personality with fonts and symbols.
Styling a name means pasting Unicode characters — a script or small-caps look reads premium, while bold suits something punchy. Decorative frames (꧁༒ name ༒꧂), hearts ♡ or stars ✦ add flair. The trick is restraint: one clean style plus one symbol on each side beats a wall of decorations.
Watch out for platform rules. Many games and apps accept Unicode names, but some restrict usernames to plain ASCII and will reject styled text outright. If yours is rejected, fall back to a simpler style like small-caps, which is closest to normal letters.
Readability at small sizes matters more than you'd think. In a chat list or scoreboard, thin script and heavy zalgo turn to mush. Test your name at a glance — if you can't read it instantly, simplify.
If you use Cyrillic, decorative wraps and frames work fine (♡ ник ♡), but the bold/italic letter styles are Latin-only. Save your favourites so you can reuse the same look across games and socials for a consistent identity.