Megatron is a character from the Transformers franchise who has the ability to transform into various vehicles or weapons, in addition to his robot form. His alternate modes have included:

• Walther P38 handgun
• Particle-beam weapon
• Telescopic laser cannon
• Cybertronian jet
• Monstrous racing vehicle
• Tank
• Futuristic jet
• Futuristic car
• T-Rex
• Cybertronian jet plane
• Bat
• Two-headed dragon

In the original Generation 1 continuity, Megatron transformed into a Walther P38 handgun, which was normally carried by one of the other Decepticons. However, he also had an arm-mounted fusion cannon in his robot form. In the 2007 Transformers movie, Megatron transformed into a Cybertronian jet.