Rixil was an Edosian man, a medical technician who served on the USS Enterprise in the late 23rd century. In March of 2275, Rixil was apart of the boarding party that responded to the distress call from Timeship Two. While onboard, Doctor Leonard McCoy had Rixil tend to the unconscious personnel. (DTI novel: Forgotten History)
At a birthday party for Technician Marko Nörenberg while off-duty, Rixil played a elisiar while Spring Rain on Still Water accompanied him with a song. (TOS novel: The Higher Frontier)