Luigi

Luigi is a character from K41's bloopers

Who Killed Steve

* Luigi is part of the crowd who tries to figure out who killed Steve.

The 3Spooky5Me Story

* Luigi interrupts K41 while he is telling the story.

Bowser Kidnaps Peach for the 69th Time

* Luigi is part of the crew when Mario chases Bowser, and he goes to the top of the castle along with Mario, Helicopter, and Steve.

An Eclipseful Ending

* Luigi is part of the crowd who watches the eclipse.

The Race

* Luigi can be seen sitting on a bench under a tree while the race is going on.

Mushroom Wars

* Luigi can be seen fighting during the war, and survives long enough for Retarded RPG Time. He tries to attack Stone Bowser, but is thrown 100 feet to the roof of a car dealership and doesn't fight for the rest of the video.

Platform Perils

* Luigi competes in Mario's Contest, and wins by doing absolutely nothing the entire time. After his disappointing prize is revealed, he attacks Mario along with the rest of the crowd.

Pipe Pressure

* Luigi is part of the Pipe Patrol, and is the first to fall in the pipe and get teleported. He ends up in a mansion, and the narrator forces Luigi to go in the mansion. He experiences jumpscares while he is in the mansion, but fends off a Boo with his Death Stare. He then gets stuck at the top floor of the mansion. He is freed by Helicopter, Red, and Wario, and sneak past the top floor of Bowser's Castle and returns to Peach's Castle. He is later seen in the rubble.

Ssenmodnar Knex: Where's Mario?

* Luigi can be seen on the sidewalk when K41 is talking to Tanto64.

128 Ways to Kill Steve

* Luigi is one of Steve's deaths. It is unspecified exactly how Steve dies.

Reviving Steve

* Luigi goes to the hospital with a broken arm with Mario. After getting healed by a mushroom, Luigi helps Mario prescribe mushrooms to everyone else. After getting caught, he runs away along with Mario.

Spaghetti Virus

* Luigi catches the Spaghetti Virus.

Shy Guy Scramble

* Luigi gets pranked by Mario and K41, falls off a building and gets run over. He later helps K41 and Mario try to lift off the Shy Guy's mask.

The Knex Blooper Competition

* Luigi is one of the spectators in the competition.

Knexinator's New Car

* Luigi calls Mario saying that he is in danger of getting hurt by a Prongo. Mario hangs up.

The Stolen Shoes

* Luigi agrees to look for Mario's spaghetti at Prongo Hill. He gets accused of stealing the Prongo's shoes, and runs into Helicopter. Luigi eventually calms down the Prongo, but then accidentally pushes him off a cliff, pissing him off. He then escapes to K41's house where he hides with K41 and Mario.

Demolition Derpy

* Luigi is partnered with CringeyBoi69. He complains that CringeyBoi69 vlogs too much. He is later seen when everyone turns on K41 and Mario, exclaiming that he doesn't want to hurt Mario and K41. He is shot by The Gingerbread Man and the Green Wizard.

It's a Wonderful Knex Life

* Luigi is part of the group that's mad at Mario for destroying the castle. He is later seen celebrating with K41 and the others.

Da Trial

* Luigi is seen watching TV at Peach's Castle.

Awakening

* Luigi is part of the group that goes looking for Herobrine. After the group encounters a house, Luigi volunteers to go inside. Once inside, a bob-omb traps him, when GV saves him. Despite this, Luigi decides that he's not in any condition to fight Herobrine and leaves the group. He is later restored along with everyone else.

Shoot to the 64th Dimension

* Luigi is seen standing guard on the roof of GV's house, and reveals to Steve that the guys pranked him by making him watch for Area 51 raiders all day.

Ssenmodnar Knex 3

* Luigi is part of the group that watches the Ssenmodnar. He also appears in one of the skits, talking gibberish.

Knexinator's Guides: How to make a video!

* Luigi is shown watching TV, and then panics when Mario and K41 set the TV on fire, and jumps off the roof of Peach's Castle. Lguii is then shown dancing when K41 is walking around the neighborhood looking for ideas.

Spaghettis Lost in Time

* In the scene from Its a Wonderful Knex Life, Luigi is seen watching Peach's Castle burn down in horror. In the scene from The Stolen Shoes, Mario appears when Luigi is screaming in shock from the Prongo, and Mario takes a selfie. In the scene from Who Killed Steve, Luigi is shown in the crowd.

Bored Horde

* Toad invites Luigi to go to Beach World with him, and Luigi is seen leaving the castle.

The Spaghetti Virus: Electdic Boogaloo

* Luigi appears in the Dickless Dimension.

The Spaghetti Virus: Thwomp Invasion

* Luigi is shown searching for spaghetti with Mario, K41, and Steve. After escaping through the pipe, Luigi is overwhelmed by Thwomps.

Sleepless Sorrow

* Luigi appears in one of K41's dream sequences, where K41 shrinks and Luigi steps on him.

Luigi's Autograph

* After seeing Toad Cruise on TV, Luigi develops a celebrity crush on him and tries to get an autograph signed. After missing it, Luigi chases after him, and after travelling through various dimensions, finds him and has a heart to heart conversation with him. Him and Toad Cruise agree on a date, and they fly through the sky together. However, it's revealed that it was all Luigi's fanfiction, which he read to the wrong Toad. After showing it to Toad Cruise, Luigi is rejected, and according to the epilogue, develops a serious depression and rejects Fire Toad.

Mario Joins the Mafia

* Luigi is seen in the crowd that is watching the Lego City Races.

Plant Charmers

* Luigi is taking place in Shopping Cart Shenanigans when Daisy breaks up with him. Luigi is distraught, and tries unsuccessfully to win her back. He goes on Master Date with Mario and K41 and gives honest, genuine answers but loses due to the rules of the game. Luigi immediately loses the Love Battle when he tries to reconcile everyone and give a speech but gets kicked into oblivion by Mario. Luigi, still depressed, goes around town trying get girls, and falls in love with an object, crying after it "calls him ugly". He then goes to Club Gaming and successfully hits on a girl, only for her to be crushed by Mario's falling disco ball. After getting kicked out, Luigi tries one last time to win Daisy back before accepting that he has to move on, only to get asked out by Richard at the end of the video, which he happily accepts.

Trivia:

Though he doesn't appear, Luigi is mentioned in Knexinator Origins when K41 says that he isn't gay.