the bitcoin founders in their unlimited greed tried to push the price as high as possible, but ultimately wasted, aquired all possible support they were able to obtain.
There is only one name associated with the creation of bitcoin and that is, Satoshi Nakamoto. And he has never been identified.
He reputedly own a lot of bitcoins and could manipulate the value, but it is very unlikely that happened.
The bear market is used in relation with previous peak. It may have been unsustainable at that time, but the asset has shown the ability to climb to such highs. And it's now down about 79%