Complex sentence: Fangs is basically comic relief of the show having no real use as Fangs and getting changed into Fangface when he's needed, although Fangs does show a spark of use when he's super scared.
Split into simpler sentences: Fangs is basically comic relief of the show having no real use as Fangs and getting changed into Fangface when he's needed. Though Fangs does show a spark of use when he's super scared.