Hippopotamus

Hippopotamus is Bouquet's shadow.

Abilities
.The powers helps hippopotamus in his cowardly ways for excuse that he doesnt have to fight until musters up the courage to do it later on in the show.
 * Hippopotamus has the ability to turn Bouquet into anything she wishes by merging with her.
 * After unlocking the ruins, Hippo can copy attacks which hits him.
 * He can use the ability of a Black Shadow Type Three robot by transforming into it.
 * Combination: A technique Noi awakend in which Hippo and Bouquet transform into a glowing pink ball which when grabbed by another shadow will fuse with it and grant a near perfect body with armor like appearance and give the shadow a huge boost in power.

In the anime
Hippo is exclusive to the Blue Dragon anime, not appearing in any of the games. Hippopotamus is not a strong fighter and is somewhat of a coward, hiding when trouble arises. However, he always looks out for Bouquet's well being and is overall kind.