Regirock - The stone titan, its body is made of solid rock that smashes pokeballs. Regice - The ice titan, it feels most comfortable holding a "cold item." If called, it will refuse to move for two minutes before answering. Registeel - The steel titan, its hollow body has given it the belief that it is light enough to fly. Regigigas - The colossal titan, it shaped the other titans from magma, stone, and ice in a single snap. Regirock's bio is inspired by OzoneFruit's struggle to capture it. Regice's and Registeel's bio is inspired by the process in ORAS. Regigigas' bio is inspired by Marvel's Thanos.