This article focuses on the interactions between Knife and Microphone.
Knife and Microphone seem to have become friends. Although Knife would usually complain about how loud Microphone was at the beginning of the season, this stopped when she started to have more control over the loudness of her voice, and the two seem to care about each other.
Episodes Suggesting a Friendship[]
In Journey Through Memory Lane/Part 2, Microphone is seen behind Knife. however, the two did not interact with each other due to Microphone not competing in that time.
In Alternate Reality Show, Microphone attempts to brush off her suspiciously late arrival by saying she knows zilch about Test Tube and Lightbulb, and awkwardly laughs to hide how even more suspicious that made her sound. After a moment of silence, Knife laughs.
In Mine Your Own Business, when Knife almost falls, Microphone helps him by holding his hand and pulling him back to the minecart she was in. Later on, Knife tries to convince her that Taco has dropped people before and won't hesitate to drop her as well, to which she replies that Taco is changing and asks him to, if he wasn't joining, to at least not say anything about them. Knife says that when Trophy blackmailed him, he felt ashamed, so he won't do that to Microphone, but mentions that this is just a favor. He then tells her to watch out since she wouldn't want Fan and Test Tube analyzing her.
In Hatching the Plan, Knife sees Microphone pulling wires off the machine and briefly says "boo", laughing when she screams. Mic quickly relaxes when realizing it's just him. He says that already hit his favor quota, but since he was in a generous mood, that was a bonus, and proceeds to tell her to stop what she's doing and have some dignity, but leaves when decides that Microphone was pretty in-sync with Taco.
After everyone thinks Microphone was the one who saved Fan, Knife is the first to start clapping, making the others start cheering as well. When Test Tube tries to argue that Mic actually obliterated her, Knife asks if she saw Microphone do that, and smiles when she isn't able to say yes.
During the elimination, after Microphone quits, Test Tube tells her to walk in front of her since she doesn't want her stabbing her in the back again, but is interrupted by Knife saying that Mic already had enough. He walks her to the portal and says that she looks relieved. Microphone says that Taco is still out there, and tells him to watch himself, to which he only replies with an agreeing "hm". He then asks her to say hi to Pickle for him, and smiles when she nods and goes through the portal.
In "The Reality of the Situation", Microphone high-fives Knife after he enters Hotel OJ.
Episodes Suggesting a Conflict[]
In Breaking the Ice, when Knife tells Microphone that they are the only ones left, Mic says she has an idea. She, however, only yells, to which Knife replies with "THAT did NOTHING but made me... DEAF!!".
In Tri Your Best, Microphone asks Knife what happened when she sees his injured leg, but accidentally amplifies her voice while talking, causing Knife to angrily reply that what happened was that she broke his eardrums. She asks him if he's sure he is okay, but he tells her to start running already, after deciding that he wanted to be rude.
In A Kick in the Right Direction, MePhone gives Knife a penalty for unnecessary roughness. Microphone, along with Soap and Balloon, mocks him by saying "oooh" while smiling.
In Mine Your Own Business, Microphone tries to joke with Knife about Suitcase's "emotional baggage" and nudges him, but he simply walks away in response. Later on that episode, when Taco and Microphone try to get him on their side, he replies that his "Huh" didn't mean he was interested, but seems more angry with Taco than Mic herself.
When Mic got eliminated, Knife noticed that she was relived.