Hades fought the Titans along with his brothers Zeus and Poseidon, the Titans were gods born the previous generation, so his mother Rhea and his father Cronus were Titans, son and daughter of Gaea and Ouranus. The generation Zeus rules are called "Olympians".
Hades hated the Titans.
what did the titans do when they annoy Hades
No, he did not.
After defeat by the Olympians the Titans were cast into Tartarus which is a "pit" beneath the underworld of Hades.
Hades parents were the Titans Kronos and Gaea.
Hades was born of the Titans Cronus and Rhea.
Hades' father is Cronus, his mother is Rhea. They are Titans.
Poseidon did not hate his brothers Hades and Zeus.
The Greeks didn't make Hades. Hades' parents the Titans Kronus and Rhea made Hades.
In Greek mythology, Hades is the son of the Titans Cronus and Rhea.
The Titans Cronus and Rhea.
Kronos, Titan of time and king of the Titans and Rhea Queen of the Titans