Ajit Pai

Ajit Pai is the former Chairman of the United States Federal Communications Commission, or FCC, infamous for his stance against net neutrality. He was a competitor in the King for a Day Tournament, where he was snapped out of existence by Thanos. He has been reincarnated as Metal Ajit Pai in the King for Another Day Tournament. He was selected by the SiIvaGunner Backroom.

Rips
The "Harlem Shake", a song commonly associated with Ajit Pai, is a minor meme on the SiIvaGunner channel.

Additionally, Pai makes a physical appearance, in his human and "Metal" forms respectively, in "Slider (DN Version) - Super Mario 64" and "Unusual Circumstances - A SiIvaGunner Christmas Comeback Crisis Side Story". He also makes a vocal appearance in the "Metal Ajit Pai Political Ad" in "JET SET RADIO 7/6 ENCORE BROADCAST - Jet Set Radio Evolution".

King for a Day Tournament
Pai was the first competitor revealed for the tournament on July 17, 2018. His rips would include rips featuring "Harlem Shake", rips featuring fidget spinners, and rips featuring slow internet.

Pai lost to Thanos in Match 6 of Round 1. However, due to Thanos having the Infinity Gauntlet, Ajit Pai was snapped out of existence. He was the only competitor in the tournament to canonically die.

Quotes
Lines without a link come from the "All Victory Fanfares and VS Lines!" video.

King for Another Day Tournament

 * After his crushing defeat in the last tournament, Ajit Pai, now a sentient pile of dust, comes back with a vengeance… and a giant mech sponsored by Reese’s® peanut butter. Armed with a massive Nerf gun and fidget spinner, he is equipped to rule the Internet with an iron fist… and, of course, finally make his dreams of a Harlem Shakeover a reality.
 * —Metal Ajit Pai's description on the MOJO!!

Due to Ajit Pai being killed by Thanos in the first tournament, he was reincarnated as an anime-style mech known as Metal Ajit Pai. This time, his source list has been expanded to include rips featuring any Ajit Pai-related memes and rips related to mecha-related media such as the Gundam franchise, Neon Genesis Evengaleon, Tengen Toppa Gurren Lagann, and the Transformers franchise.

In Round 1, Metal Ajit Pai faced Nico Nico and lost. Then in the Loser's Bracket, he faced Adam Levine and won. In Round 2 of the Loser's Bracket, he faced Wario Partners LLP and was eliminated.

Quotes
Lines without a link come from the "All Vs/Victory Lines" video.

Trivia

 * Metal Ajit Pai, along with "Weird Al" Yankovic, Solid Snake, and DJ Professor K are the only characters to have victories in the second tournament but none in the first one.
 * The stylization of Metal Ajit Pai's antennae, with it being red and the left side being shorter than the right, resembles the Verizon logo. This is likely a reference to his time serving as Associate General Counsel at Verizon Communications.
 * This may also reference the Gurren Lagann mech from Tengen Toppa Gurren Lagann, which has a similarly broken headpiece.
 * Metal Ajit Pai's head has a handle at the back making his head resembling a giant mug, which references his infamous Reese's Puffs mug.

King for a Day

 * His quotes against "Weird Al" Yankovic references his song "It's All About the Pentiums".
 * His vs. quote against DJ Professor K references the software VirtualDJ.
 * His victory quote against DJ Professor K references the Jet Set Radio song "That's Enough".
 * His victory quote against Will Smith references his song "Switch".
 * His victory quote against Pitbull references his song "Don't Stop the Party".
 * His victory quote against Wario Bros. is a play on the "Harlem Shake" meme and the game Wario Land: Shake It!.

King for Another Day

 * His vs. quotes against Geno, "Weird Al" Yankovic and HOBaRT as well as his victory quote against Nico Nico and quotes against Law & Disorder references his repeal against net neutrality.
 * His victory quote against Off the Hook ft. Paruko references the station that Pearl and Marina hosts at in Splatoon 2.
 * His victory quote against "Weird Al" Yankovic references the various songs he parodied from various musicians.
 * His vs. quote against Pitbull and the Aliens references the Baauer song "Harlem Shake".
 * His victory quote against Pitbull and the Aliens references the Bad Bunny song "Tu No Metes Cabra".
 * His vs. quote against Nintendo Power references Nintendo Switch's online service.
 * His victory quote against Nintendo Power references the release of Joker from the game Super Smash Bros. Ultimate.
 * His victory quotes against Men in Black and MissingNo. as well as his vs. quote against Daft Punk ft. Pharrell references the "Restoring Internet Freedom Order" effect by the FCC which took effect on June 11, 2018. Ajit Pai also references this in his vs. quote against Thanos.
 * His vs. quote against ZUN reference the genre Touhou games typically fall under, known as "bullet-hell".
 * His victory quote against ZUN references the giant Reese's Peanut Butter Cup brand mug he owns and drinks out of.
 * His vs. quote against Thanos as well as his victory quotes against Papyrus and HOBaRT references his love for Reese's.
 * His victory quotes against Thanos references the donations to charity from Disney.
 * His vs. quote against Wario Partners, LLP is a reference to Nintendo's infamous tendency of taking down fangames based on their properties.
 * His vs. quotes against King Dedede, Johnny Bravo and Dr. Piccolo as well as his victory quotes against DJ Professor K and Dr. Robotnik and quotes against Jack & Elmo all references an infamous tendecy caused by the FCC when net neutrality was killed which limits some features on websites until the person received the internet package.
 * His vs. quote against King Dedede also references the company Nightmare Enterprises owned by eNeMeE from Kirby: Right Back at Ya!.
 * His victory quote against DJ Professor K also references the music streaming platform SoundCloud.
 * His victory quote against Jack & Elmo also references Jack Black's "This is embarrassing!" line from his appearance in Sesame Street.
 * His victory quote against Dr. Piccolo also references the Daily Dose meme.
 * His vs. quote against Solid Snake references the meme "Harlem Shake".
 * His victory quote against Solid Snake references the Metal Gear Solid 3 Pachislot.
 * His vs. quote against DJ Professor K references the audio streaming platform Spotify.
 * His vs. quote against Adam Levine is a reference to the Maroon 5 song "Payphone".
 * His victory quote against Adam Levine as well as his vs. quote against The Jazz Cats are a reference to the video "PSA from Chairman of the FCC Ajit Pai".
 * His victory quote against Adam Levine also references the Maroon 5 song "Animals".
 * His victory quote against Johnny Bravo references the online dating app Tinder.
 * His victory quote against Mr. Krabs references the infamous massive copyright infringement lawsuit from the conglomerate Viacom, who owns SpongeBob SquarePants.
 * His quotes against Mariya Takeuchi reference the popularity of her song "Plastic Love" on YouTube.
 * His vs. quote against Papyrus references the video "Ajit Pai Reads Mean Tweets".
 * His vs. quote against Jack Bros. is a reference to the Phantom Thieves of Hearts from Persona 5.
 * His vs. quote against Nico Nico, as stated in his quote, are references to the downside features on the website Niconico.
 * His victory quote against Donkey Kong references a feature in the My Verizon account where a person can switch devices with another line in the account, this will ensure each person will keep their phone number and plan, but will have the swapped device.
 * His victory quote against The Jazz Cats references his first loss in the first King for a Day Tournament against Thanos.
 * His quotes against Eminem are a reference to his song "Without Me".