Code Geass: Hangyaku no Lelouch Gaiden: Shiro no Kishi Kurenai no Yasha

カレン・シュタットフェルト

Kallen Kōzuki (紅月カレン Kōzuki Karen) is one of the main characters featured in Code Geass: Lelouch of the Rebellion, as well as one of the two protagonists of Code Geass: Lancelot & Guren. She is officially known as Kallen Stadtfeld (カレン・シュタットフェルト Karen Shutattoferuto), and goes by this name at school, but prefers her mother's maiden Japanese name during her revolutionary (now military) activities.

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枢木スザク

He is voiced by Takahiro Sakurai, while his child self is voiced by Akeno Watanabe. He is voiced by Yuri Lowenthal in the English dub, and his child self is voiced by Laura Bailey. In the 29th Anime Grand Prix, he was placed sixth with 143 votes, then 19th and 13th, respectively, in the following two.

Bio from Fandom, licensed CC BY-SA