The Firebird Thunderzord was a piece of the hybrid zord Typhonis created by Goldar. However, Kim is able to reacquire it when she is trapped inside Typhonis.
Tor is used by Kim’s Power Ranger team in order to help the other Power Rangers.
Titanus is used by Kim’s Power Rangers team in order to help the other Power Rangers.
Typhonis is a zord created by Goldar from pieces of the Thunder Megazord, White Tigerzord & Cyclopsis.
Typhonis can combine with Titanus & Tor to form the Typhonis Ultrazord.
The Ninjazords can combine with each other to form the Ninja Megazord.