History of Double Double Bonus?

Based on what I've observed, it appears that Double Double Bonus (DDB) video poker is the most popular game among non-beginning players. After an exhaustive 20 seconds of web searching, it appears that no history on this game is available. The Arcade-History website says the machine is from 1995, but I have to believe the game was available before then in some rudimentary pixelated form.

It seems the DDB title is part of the evolution of the "bonus" poker family of games. Bonus Poker seems to have started it by elegantly awarding a bonus for quads of the top card: the ace. Then, I see variants like Double Bonus, Double Double Bonus, Triple Bonus, Triple Double Bonus, Super Double Double Bonus and so on. DDB seems to be victorious among most video poker players as the most compelling game.

So who developed the idea of awarding reasonably attainable prizes to quads with a kicker? Especially low cards with an ace kicker? Was it one game designer, or a team? Early video game developers weren't given credit for their designs, but their place in gaming history is emerging—how about video poker designers?

Hm. It occurs to me now that perhaps someone might not want to be associated with issues like addiction.

There were stories like this in the old gambling mags, don't remember details enough. Vaguely remember Benny Binion being involved, manufacturers used to work with casinos making games specific for what they wanted, don't think it happens anymore. Back in the nineties, ealry 2000s, one of the casinos used to have slots with the CEOs picture on the game, you won't see that anymore.

The only name I knew from video poker history is William "Si" Redd, who founded SIRCOMA (Si Redd's Coin Machines, which eventually became IGT) and introduced Draw Poker machines to casinos in 1979. Coincidentally, in a news article about his humanitarian award from the Muscular Dystrophy Association, it mentions how he was concerned about video poker addiction and what he did to address it.

If DDB came out in the 90s, I'm sure the old coin droppers at El Cortez and Main Street Station could actually be the very first DDB units ever made. This surprises me because of the classic "draw poker" droppers that dropped coins after every single win, and did not accept bills, located at Eastside Cannery some time ago. Those machines felt like they were built in the 70s or 80s, as a guess.