However when written as 春, 晴 (haru) and 花, 香 (ka), it forms a different meaning which could be "spring" or "clear weather" and "flower" or "fragrance", respectively.
One of the most popular kanji for Akira is 明 - meaning "clear", "bright", or "intelligent".
And then there are others that have a more relation, like Naruto Uzumaki, who was named after a famous ramen topping, or Gohan Son, who eats a lot of rice.
However, as Koro-sensei from Ansatsu Kyoushitsu once said, "Names don't make a person.
It came from the Japanese words 咲 (sa) and 希 (ki) which mean "blossom" and "hope".