I always thought Eris was a parody of ASICS, and for Nike, there was ProLaps. D1337r 12:56, April 29, 2010 (UTC)
Nope, Eris means 'Strife' in Greek, just like Nike means 'victory' in Greek. It's likely that some stereotypes are taken from both Nike and ASICS, among others. Pro Laps is likely a parody of sporting goods stores (Sports Authority, Olympia Sports, among others). Hope I could help!