Just like the user name says.
Megatron in Chinese (Taiwan): Mei-jia Wang (Literally: "Major Wang" or "King Mega" or "Mega Throne") / Jü Wu Ba ("Extremely huge")
AND NOW, A SHORT PARODY...
Silver Decepticon Lord: Tremble Autobots, for I am, EXTREMELY HUGE!
Transformers: IT'S-! Wait-wait, what?
Extremely Huge: I, am, EXTREMELY HUGE!
Generic Fodder: What was your name again?
Extremely Huge: EXTREMELY HUGE!!!
Female Transformers: :D Oooooh!
Arcee: No he's not.
Starscream: 'Second that.