This is Sean Whalen (prion).
Incus. Plural incuses or incudes. Latin for anvil. The middle bone in a chain of bones in the ears of mammals (the others are malleus (plural mallei; the hammer) and tympanum (plural tympana; the drum)). Remora's prothonotary. Small and ambitious. The anvil association relates to Incus being a black mechanic.
Iolar. Irish for eagle or multitude, abundance, much, accessories. Flyer captured by Blood and Musk.
prion