"Progenitor" is a term referencing any pony that is a source of genetic material for cloning. Normal, healthy clones can only be made from Progenitor cells; clones constituted from clone cells nearly always turn out as mutants.
- Stored in Amity Prime; used to create hyper-cognizant clones.
- Trapped in rogue cloning engine in Vanhoover.
- "Handsome Earth Pony Stallion Series 1" cloning base; a popular source for modification and creation of Earth Pony colts.
- Popular military progenitor base.
- The progenitor of all Pegasi bishops.
- Clones usually possess particularly potent magic.
- Creation base of musically-purposed earth pony clones.