Just about Red Power Ranger is usually considered fearless and a great leader, but not all Red Rangers are created equal.

When The Emperor nearly defeats the Rangers after a massive attack, the Rangers get help from Legendary Rangers from the past.

Since it first premiered in 1993, the "Power Rangers" series has introduced hugely powerful characters both evil and good. Here's how they rank.

Tommy Oliver is one of the most important Power Rangers and takes on several forms throughout his time on the show.