What are the differences between Chronos and Kronos in terms of their roles and characteristics in Greek mythology?

In Greek mythology, Chronos is the personification of time and is often depicted as a god with no specific personality traits. On the other hand, Kronos is a Titan who is known for being the father of the Olympian gods and for his role in overthrowing his own father, Uranus. Kronos is often portrayed as a malevolent figure who devours his own children out of fear of being overthrown himself.