Poco is a member of Palencia's drum corps. He claims that he never wanted to be a soldier, but rather a musician; his fighting skills reflect that, as he uses his musical instruments to execute both, physical and magical attacks. Poco is very timid and always hungry, constantly wanting to stay out of trouble. He believes that fighting with Arc makes him braver, and continues to help him in his quest.  from Wikipedia He is voiced by Chika Sakamoto.

The story follows Elk, a bounty hunter in some strange futuristic world. On this world archaic but advanced technology exists side by side with primitive attitudes, beasts and magic. In other words it's got a bit of everything. It also has an evil conspiracy who are able to produce powerful monsters called chimera, who can also appear as human. Naturally it is not long before Elk has rescued a young female beast-master and gained himself some serious enemies.
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(Source: Anime News Network)

Mona Marshall is an American voice actress, known for her work in a number of cartoons, anime shows, films and video games. Her major credits include South Park, where she voices many of the female characters on the show; Fraggle Rock: The Animated Series, CBS Storybreak, and Digimon. She has also appeared on-stage for television shows such as Cheers and Who's the Boss?