This caused a fight between the original couple and the threesome was then separated. It's all water under the bridge as Pepper just returned to the penguin exhibit from a bachelor pad at the Avian Conservation Center and they were reintroduced in their enclosure on Friday.
Harry and Linda successfully nested this year but Harry and Pepper famously hatched an egg (from a different mama) together in 2008 acting as "the best parents that year." I guess he'll just be Uncle Pepper now?
This zoo has the largest Magellanic penguins colony in captivity in the world (nearly 60 birds!) — if you're local and want to check out these two, their left wing band numbers are 201 (Harry) and 207 (Pepper). See the classic video describing the birds and chicks,