Lastly, his name is also a pun as "Sega Shiro" by using the characters for "shiro" ("知ろう"), which means "let's learn", thus his theme song essentially translates as "Let's learn about Sega!" His official page reflects it as the website gives us a look at the history of Sega, which was founded on June 3, 1960.
[Source: Siliconera]