Final answer:
The second generation of gods in Greek mythology is referred to as the Olympian gods, with the Titans often considered as the first generation.
Step-by-step explanation:
The second generation of gods in Greek mythology is known as the Olympian gods, who are most famous for residing on Mt. Olympus. This generation includes well-known deities such as Zeus, Poseidon, and Hera, among others. The first generation, the Titans, were sometimes lumped together with the Olympians or considered a distinct earlier group; they were the children of the primordial deities Gaia and Uranus, with Titans like Chronos being part of this older generation.