He and Brad Altman had to wait, literally, decades to get married and were some of the first people in line to do so when gay marriage was briefly legalized in California.
For Star Trek the Original Series fans, Takei has freely suggested "Walter" as Hikaru Sulu's middle name, after fellow actor and friend Walter Koenig. Double awesome because when Koenig initially joined the Trek cast in the second season, he and Takei had professional tension (over fears that their characters would be reduced to Those Two Guys), but they ended up becoming good friends anyway as their characters became an iconic pair at The Bridge's helm.
Combine these two, and you get the fact that Walter Koenig was the best man at his wedding.
