Segami seems to be the rival of Nintendoki. As Nintendoki is the creator of Smoosh, Segami is the creator of Doosh. Not much is known of this rivalry; only that Nintendoki and Segami hate each other intensely.
-Segami's name is a reference to Sega. The etymology of Nintendoki and Segami is a reference to the 16-bit wars.