Tommy is strong and loyal, and a very good in martial arts as he is both the teacher and student.
He meets the Power Rangers as the teens and is chosen to be the Green Ranger. Rita Repulsa had cast an evil spell, making TOmmy obey her, granting him dark ranger powers and weaponry, and the Green Ranger Power Coin. He used the Dragon Dagger to summon his zord, Dragonzord. He destroyed half of the COmmand Center, made the Rangers lose touch with Zordon, and their megazord.
With Zordon's help, once he had returned, the Rangers had freed Tommy from Rita's control when Jason, the Red Mighty Morphin Ranger, by destroying his weapon, the Sword of Darkness. With the sword gone, so was his dark ranger powers.
He then befriended Kimberly Hart, the Pink Mighty Morphin Ranger, and started dating her.
As time went on, Rita had cast a spell to make Tommy's Green Ranger powers be drained, but Zordon was able to save them by transferring the powers to Jason, until his body could be stable enough for them.
Tommy had returned to claim his powers and continued his role as the Green Ranger. His powers were completely destroyed when Lord Zedd had taken drained them to nothing. Luckily, Zordon and Alpha Five were able to create a new power, making him the WHite Ranger, and the co-leader. He uses his talking sword, Saba, to summon the White Tiger Zord. He then gains new powers as the White NInja, then the Falcon Power Coin and the Falcon Zord.
He lost his powers when Rita and Zedd had destroyed them.
Tommy gained the powers of the Red Zeo Crystal, becoming Zeo Ranger V Red and his zeo Zords. WHile being the Red Ranger, still leader, Tommy was captured by Prince Gasket of the evil Machine Empire and brainwashed him to destroy his friends. Luckily, they were able to save him.
He then gained new powers as the Red TUrbo Ranger. He chosed his successor, TJ Henderson as the new Red Ranger.
Tommy recruited all the ten red rangers to help fight the Machine Empire.
Tommy became a paleontologist and helped the Dino-Thunder Rangers against the forces of evil