Anime with a boy wearing a sun-shaped crown I found the following picture which collect a bunch of characters from many anime: I was curious about the two characters that I put in the red square (just below Ichigo). Which anime are they from?
The character on the left is Wataru Ikusabe from Mashin Eiyuuden Wataru.



The character on the right is Daiichi Haruka from Madou King Granzort.



They are grouped together because both series are directed by Shuji Iuchi. In fact, there is a crossover of Mashin Eiyuuden Wataru in the first episode of Madou King Granzort: