Sukhoi Su-47, formerly known as S-37 berkut, is a fighter, having in flight commands the electric cable control system, fly-by-wire.
It's hard not to recognize a Su-47, even in the midst of other fighters. This is because its wings are inverted, giving it a peculiar appearance. But this is not just for the simple aesthetic issue: with these wings, it can take off and land on smaller runways, besides having much more stability and being able to perform impossible aerial maneuvers for many similar aircraft.
Top speed: 2,500 km/h
Wingspan: 15 m
Length: 23 m
Cruising speed: 1,800 km/h