An intensely obese person who in reality is inhabited by a parasitic alien who consumes nothing but burgers and fries. Megamen typically speak in monotone phrases with each syllable lasting the same duration of time. Most Megamen are said to inhabit a settlement on Antarctica.
The Megaman lumbered over to the Five Guys cashier, and bellowed: "HI I WOULD LIKE A DOU-BLE CHEESE BUR-GUR WITH A SIDE OF EX-TRA CRI-SPY FRIES"