Thanks, Roman. I had read about his passing earlier, but found that many of the articles about his passing referenced his first top 40 hit, "The Oogum Boogum Song" in their headlines instead of "Gimme Little Sign" -- and that several of them went on to state that "Oogum" was a #4 pop hit. I knew that "Gimme Little Sign" was by far his biggest hit -- it reached #9 on the Hot 100 -- and when I looked up "Oogum" I found that it had only reached #34. I've only ever heard it a couple of times over the years, so I figured I'd wait to see if I could find a better article about him later today. However, what I found is that even Billboard's obit, while giving the correct peak positions for his three top 40 hits, still referenced "Oogum" in its headline. They explain its enduring popularity, which I must admit I had been totally unaware of until today, as follows.

Over the years, “The Oogum Boogum Song” has reached new audiences through its inclusion in popular TV shows and movies such as The Umbrella Academy, Almost Famous and Don’t Worry Darling, among others.
“It’s hard to be in a bad mood after you hear the ‘Oogum Boogum Song,’” NPR wrote in 2023. “Probably not worth the effort.”
“It’s a silly title and has silly lyrics, too. But there’s something about the feeling. That almost playful falsetto, the drums bouncing along, the jangly guitar hits.”

When I was originally looking for an appropriate article to post, I saw that there was some dispute about whether his stage name of Brenton Wood (Alfred Smith being his real name) came from a parish in Louisiana or the Brentwood neighborhood of Los Angeles. For what it's worth, Wikipedia states that "Following his high school graduation, Wood enrolled in East Los Angeles College. Soon after, he took the stage name Brenton Wood, possibly inspired by the wealthy Los Angeles enclave of Brentwood." Didn't see anything about where he got "Oogum Boogum" from, however.