Unknown beats

[nasty923]

Hi people,please, can you help me with the name of this beats?

http://www.youtube.com/watch?v=UkEIpb7fTRg

http://www.youtube.com/watch?v=Wjp3wjFmfe0&feature=related

http://www.youtube.com/watch?v=Xl7EadL-6V4&feature=channel