[Dildo Shwaggins]

The Contortionist
Dream Theater
Periphery
Haken
Wage War
Silent Planet
Architects
Erra
Behemoth
Alkaloid
Obscura
Metallica
Arkona

---

Residential metalhead here,

I will try to not list the bands you already listed as i do like them as well.
Well most of them at least xD

Uh Mixing them up some are like death metal/core/ etc etc etc

Abacabb (yes the MK OG fatality combo is a bands name)
After The Burial
As Blood Runs Black
All Shall perish
Job For A Cowboy
WhiteChapel
Carnifex
Thy Art Is murder
Oceano
Molotov Solution
Suffokate
I Declare War
Alien Ant Farm(yes i know not metal but fuck it xDDDD)
The Acacia Strain
Animals As Leaders(instrumental theyre so fucking good)
Born Of Osiris
Veil Of Maya(Love their older stuff, newer stuff is good but very different from old. But still Gjenty af)
Within The Ruins (basically same comment as veil of maya)
The Contortionist(Older stuff is heavier their new is...Well check it out)
Chelsea Grin(Older > New, but they got a new singer so who knows!)
 Periphery( hit space bar cause you should check them out)
All That remains( their best two albums are This Darkened Heart and The fall of ideals imo)
Here Comes The Kraken 
Metalocalpyse(man Brandon Smalls is amazing xD, The band of "Deathklok" show)
Erra(pretty gjenty)
The Faceless
Fair To Midland
The Human Abstract
Meshuggah(these guys got me into gjenty music and <3)
Mudvayne(you mentioned mushroomhead but why not these guys xDD )
Parkway Drive(hit or miss really)
Reflections(older albums way better, lost their amazing guitarist who does a solo band which is amazing(see next line))
BerriedAlive(Charles Caswell is a fucking god, all there is to it) 
Rose Funeral
Scale The Summit( another great instrumental band, jokes about them call scamthesummit for some shaddy practices)
Sylosis( really fucking metal and what blows peoples mind is they.... PLAY IN FUCKING STANDARD)
Vildhjarta( they gjent pretty fucking hard)
Enter Shikari(kinda a emoooish band but still good)
Good Tiger
Through the Eyes of the Dead
Hester Prynne
The Crimson Armada(you can tell your religious parents youre listening to christian metal xDD)
The Browning(if you like metal and dubstepish sounds)
Dr.Acula(was better when they dropped albums 10 years ago xDDD)
Abiotic (pretty fucking brutal)
Rings Of Saturn(brutal as fuck, plays music that supposed to sound like alien abductions.)
Arsonist get all the girls(Metal and dj kinda sounds, still very good)
Elysia(their first album they were 16 and holy fuck it was stupid brutal, vocalist killed his cords cause of touring and next album kinda sucked)
Emmure(not much to say of them >.> Guilty pleasure)
Miss may i
The devil wears prada(yes there here, they dont suck another guilty pleasure xDD)
Attilia(basically like emmure xDD)
The Tony Danza Tapdance Extravaganza(i fucking love these guys, they are really obnoxious tbh but holy shit some songs they go so hard)
Car Bomb( these guys man if you like off beat off timed flinching patterns then these guys are for you.)
Despised Icon
Shadow of intent(man these guys are so fucking talented and brutal i wish me and my guys sounded like them....)
Angelmaker(dude so brutal they kill angels)
Slaughter To Prevail(This Russian fucking vocalist is insane, his range on his lows my god man check out his covers on youtube)
A Trust Unclean(Will cover you in filth they are so brutal)
Vulvodynia( If you can say their name you should check out how stupidly brutal they are xDD)
The Dialect
Lamb Of god
Machine Head
DevilDriver
Trivium(they arent as bad as people make them seem, new album is pretty metal though tbh)
Hatebreed
As I lay dying(older stuff is good, singer just got released from jail recently.... he tried to put a hit on his wife..... he asked an undercover cop. GG NO REEEEEEEE)
Unearth
Killswitch Engage(these guys man i loved them for a long as time. not a fan of their OG singer. Imo As daylight dies annd the end of heartache are their best albums when howard was in the band, i just dont like jessie. But jessie on alive or just breathing is a good album though)
Gojira(these guys are metal and cant forget SAVE THE WHALESSSSS and oceans xDD)
Arch Enemy(One of the first bands i really liked the female vocalist. Good ranges and doesnt make me cringe xD Like my post >.>)
 Atreyu
Blind Witness(heard someone play a song of theirs on TTT but only for the"what the fuck is going on" meme xD still good band)
Sonic Syndicate
Heaven Shall burn
In Flames( ahh highschool xDD)
SOIL
Ghost In a Shell
Darkest Hour
Rise Against(man love these guys a lot)
Vola(holy shit these guys i wished i found them out sooner, soo fucking good. But they never tour in AMERiCA WtFFF)

Uhh thats all i can remember atm. If i remember more i will post more!!!!!!!

All of this. You're the man.