View Klingon Conlang International Name(s): KlingonNative Name(s): tlhIngan HolLanguage Groups: Vocab Source: A prioriDevelopment Level: Fluent UsersType(s): Conworld, Future, and Xenolang/Alien Registry Code: Creator(s): Marc OkrandLink(s): https://www.kli.org/Start Year: 1979Physical Modes: Speech and writingScript(s): Klingonese Notes: