Gundam Seed and Gundam Seed Destiny. These characters are the version Chibi of these serieses.
In first place, Athrun Zala chibi, he's a Coordinator, and a member of the Rau Le Creuset ZAFT special forces team at the beginning of Gundam SEED. He's the son of Patrick Zala, a member of the PLANT Supreme Council.
In Gundam SEED and Gundam SEED Destiny, his friendship with Kira Yamato forms one of the main themes of the story.
These characters are easy to do, for those who's start in this great hobby and as The Three Wise Men's gift. (Three Kings).