Bowser: Mario's primary nemesis has appeared to be a cross between a turtle and a fearsome dinosaur.
Kingda Ka is a fearsome ride, designed by Intamin AG and powered by an intense hydraulic launch system that propels riders from a stop to 128 miles per hour in less than four seconds.
The Kingda Ka roller coaster at Six Flags Great Adventure in Jackson, New Jersey is one of the world's most thrilling coasters as well as one of its most fearsome.
It appears the the social perception of what constitutes "monstrously large" on a fearsome scale has changed quite a bit from the 1950s through today.
Whether this is limited to a platonic friendship or a romantic relationship, Scorpios make wonderfully protective friends and fearsome enemies.
You can even design your own adorable or fearsome little avatar, but none of these is as impressive when compared to the gold membership.
One of the world's most fearsome wooden roller coasters, Son of Beast, can be found at King's Island, but possibly not for much longer.
Star Trek: The Next Generation's fearsome enemy the Borg originate in the Delta Quadrant, so it should come as no surprise that Voyager also meets and tangles with these unstoppable bad guys.
But Alcatraz's role as a fearsome fortress protecting the strategic bay waters was short-lived and in a few decades it's role steadily diminished.