hr stands for  royal highness '' backwards.
h r pufnstuf what does hr stand for?
`` royal highness '' backwards
the krofft brothers have responded in several interviews to popular beliefs that subtle recreational drug references exist in the show. for example, the title character's name "pufnstuf" has been interpreted as a reference to smoking hand-rolled (h.r.) marijuana (puffin' stuff); marty krofft has said the initials "h.r." actually stand for "royal highness" backwards. the show's theme song lyric "he can't do a little, 'cause he can't do enough" has been read as referring to the addictive nature of drugs. pufnstuf has quotes like "whoa, dude!" and other "hippie" slang words. lennie weinrib, the show's head writer and the voice of pufnstuf, has said, "i think fans gave it a kind of mysterious code-like meaning, like ‘ah, was pufnstuf puffing stuff? like grass?’ was it psychedelic? was it drug oriented? not to us, it wasn’t." in a 2000 interview, marty krofft answered the question by saying, "the krofft look has a lot of color, but there were no drug connotations in the show." he addressed the topic at length in an interview with the "st. louis post-dispatch" in 2004, in response to the question, "ok, let's get this right out in the open. is "h.r. pufnstuf" just one giant drug reference?":
h.r. pufnstuf
bullet::::- in 2016, h.r. pufnstuf, cling, clang, and freddy the flute appear in a crossover episode of "mutt & stuff" titled "h.r. pufnstuf comes to mutt & stuff!" with h.r. pufnstuf voiced by randy credico with mary karcz providing the in-suit performance and donna kimball providing the face performance, freddy the flute performed by kimball, and cling and clang performed by arturo gil and joseph s. griffo. h.r. pufnstuf is depicted as the uncle of stuff.
h.r. pufnstuf