Answer:
There are twelve Titans:
Oceanus
Tethys
Hyperion
Theia
Coeus
Phoebe
Cronus
Rhea
Mnemosyne
Themis
Crius
Iapetus
they were the equivalents of the gods before the gods. kronos was the main titan.
The titans were immortal children of Ouranos (Ουρανός), primordial god of the sky, and Gaea (Γαία), primordial goddess of the earth. (Primordial gods/goddesses actually ARE what they represent). The titans were extremely powerful beings, and were the parents of the gods.