Look up more BrokenCYDE songs.
Like Sex Toyz and 2 Drunk 2 Drive.
If you like BrokenCYDE, you will most likely like Dot Dot Curve:).
See: RocketShipToTheMoon and I'm The Sex Man.
Also, Hollywood Undead has better songs than the ones you listed.
See: Paradise Lost, City, Christmas In Hollywood, California, Knife Called Lust, The Gangster Song and Dead in Ditches.
A good hard rock group, besides the obvious such as SlipKnot, Korn, Metallica, Dicturbed, and anything by Marylin Manson, is Sixx AM.
See: Life Is Beautiful, Girl With Golden Eyes, Dead Man's Ballet.
Another good beat boxing band is Mindless Self Endulgence.
See: Kill The Rock, Faggot, La Di Da Di, Shut Me Up.
I love music. (: