Formal:
* Jaden Smith: This is the most literal translation and works in most contexts.
* Jadén Smith: This adds an accent mark to the name, indicating a slight pronunciation change in Spanish.
Informal:
* Jayden Smith: This is a common English nickname that can also be used in Spanish.
* Jadenito: This is a more informal version, using a diminutive form of "Jaden" which implies familiarity or affection.
In most cases, using "Jaden Smith" will be understood and is the simplest and most accurate way to say his name in Spanish.