Ho Yay abounds—from Toki's vibrating strap-on dildo ("Screw you all off! My codpiece is the coolest!") to Charles the manager getting drunk and grabby with Nathan to the hot dog innuendos to (attempted, they couldn't quite manage the autofellatio part except Pickles) group masturbation to the therapy episode where Toki and Skwisgaar held hands... they've got it all.
One Notable example was Dethrecord, wherein Toki screws up Skwisgaar's guitar track and, when confronted with his shoddy attempt to cover it up, begs Skwisgaar not to kick him out of the band and offers to sucks his d*guitar riff*k. Or in Klokblocked, where Ofdensen tries to comfort Nathan during his trouble with women only to chicken out at the last minute as though he'd been looking for some rebound action and didn't quite work up the nerve.
The third season continues to lay on the Ho Yay. Pickles has a locket with a picture of Charles, Charles appeals to Nathan's exotic food tastes, Toki secretly dresses up as Skwisgaar...
Going Downklok has PLENTY.
Nevermind Going Downklok, more like all of season four.
When Nathan publicly apologizes to Pickles in the Season Four finale, his speech includes a noticeable pause: "I'm sorry that I took the girl! But I don't want her if it means that I can't have you...be my drummer."
In the beginning of Klokblocked, while a news station is showing images of the band members with their various girlfriends, Toki is shown with a woman who looks exactly like a female version of Skwisgaar.
The scene in Dethlessons where Skwisgaar bursts in on Toki with his new guitar tutor is oddly reminiscent of a spouse catching their significant other cheating on them. Let's face it, Skwisgaar and Toki have a fair amount of this.
Much like Dethlessons, the recent episode Bookklok involves Skwisgaar and Toki fighting over their positions in the band. However, some things Toki says while promoting his tell-all book come off like an under-appreciated, verbally abused girlfriend ("He used to says my hands ams skinnies, but now he says they ams putting on weights!"). He rejects Skwisgaar's attempts to come "waltzing back into [his] life." And when Skwisgaar arrives to save Toki from his panic attack at the end, he yells at Toki to "comes backs to him" while defibrillating him.
In Snakes 'n' Barrels II, Pickles "jokes" about receiving fellatio from a contemporary in an alleyway. When Nathan seems a bit grossed out, he offers a somewhat delayed "just kidding!" Whether he really was joking or not is up for speculation...
After seeing a female tribute band in Tributeklok, Toki finds "that lady Pickle pretty cute". While Nathan says it's creepy at first, he admits that it isn't and "she does have pretty eyes".
Let's not forget how incredibly protective Charles is of his boys! That's his bread and butter you're f*guitar riff*king with.
Which in turn goes double for Nathan. A comedian does a roast for the band and insults each of the members of Dethklok in turn, and Charles politely smiles and tolerates it— until the comedian makes the mistake of calling Nathan "Tonto" in front of their manager. Charles says some quick words to a Klokateer, and is the comedian is dead of a poison dart in the neck seconds later.
Then there's that time they were stranded in snow and Murderface started whispering into Pickles's ear about needing to share body heat. In a sensual tone, to boot (or what passes sensual for Murderface anyway).
One of the DVD easter eggs has Murderface daydreaming about how, once his new, handsome face heals up, the fangirls will write slash fiction about him.
Charles is protective of Nathan, yes, but Nathan in turn is extremely protective of Toki. He went on a murderous rampage after a bully who broke Toki's snowglobe, he went running through a burning building to carry him to safety; plus some of the most real displays of emotion Nathan shows are him just smiling fondly at Toki's frequent displays of naivete ("You actually want to DATE girls? Aw, that's sweet, Toki, that's adorable"...)
In Klokblocked, all of Nathan's dates bear a striking resemblance to Skwisgaar, Pickles, Toki, and Charles.
Then there's the infamous Easter Egg where Dethklok gets Charles drunk. Seems the CFO is an affectionate drunk, stroking Nathan's hair like that.