Etsuko Kozakura (小桜エツコ Kozakura Etsuko?), real name Kumi Domon (土門 久美 Domon Kumi?) (née Uchino (内野 久美 Uchino Kumi?)), is a voice actress for the Japanese version of the Sonic the Hedgehog series as well as in Sonic X. Nearly all her roles involve Chao. She was formerly with Ohsawa Jimusho, but now heads her own agency called Little Portal with husband Jin Domon.