Does Casper run on ethereum?

The query regarding Casper and its relationship with Ethereum begs for clarification. For those unfamiliar with the intricacies of blockchain technology and cryptocurrency ecosystems, the question "Does Casper run on ethereum?" may seem straightforward, yet it holds a depth of technical nuance. Casper, touted as a proof-of-stake consensus mechanism, aims to revolutionize the scalability and sustainability of blockchain networks. On the other hand, Ethereum, as a decentralized platform for smart contracts, has long been a focal point for innovation in the crypto world. The question begs to understand whether Casper is an integral component of Ethereum's underlying technology or if it exists as a separate entity, potentially interoperable with Ethereum but not dependent on it. Clarifying this relationship is crucial for understanding the future evolution of both Casper and Ethereum.