They def should. He's a bit wary of Lucy because of Belphegor, but still, buds. Poly will try to be friend material. D: I will throw her at Jazz' post! AND YES, COME TO HARMONIA.
I've been wondering how Loki can screw with him by using his powers, so hrm hrm.
ALJHLS hit on Percival. He won't know what hit him.