Whales can not create forks of bitcoin, only members of the Bitcoin core team can split the currency.
As for altcoins, there is currently no regulations and just about anytime next can create their own coin, or more commonly a token built on another platform
Creation of new coin or controlling how it's been created isn't what Bitcoin was meant for. That's solely based on the blockchain technology, which pave way for new projects to be launched on it through smart contracts of the Ethereum Blockchain (at least most projects).