2 hackers
First One
Name: Hondacrf
Server: Fun
Flyhacking and dragging people below the ground
Proof: http://imgur.com/Pyw2tmh
Second one
Name: Wowrax
Server: Fun
Flyhacking
Proof: http://imgur.com/Mge6JqL
Name: Hondacalvodk
Server: Fun
Fly hacking and abusing terrain to death grip people below the ground and falling to their death.
Proof: http://imgur.com/FK5IMwL