- "I wish you can just see it in your heart to give me another chance. We're supposed to be brothers for life..."
- ―Packie to Francis over the school intercom
Brothers For Life is the second half of the fifth special of Sibling Rivalries. It is also the seventh and final comic in Season 6, and the 52nd comic overall.
There is two parts due to this comic originally meant to begin the seventh season after capping the sixth season at only six comics, but when the original Season 7 was cancelled, this became the Season 6 finale. Now with the seventh season being brought to life after a lengthy hiatus, this comic remains property of Season 6, bringing the comic total to seven.
This comic and its predecessor, "Wisconsin's Greatest Hero", are non-canon to the series.
With him and Francis continuing to not speak to each other, Packie becomes depressed, and along with the help of an old friend, must seek a way to make things right with his brother who nearly risked his life for him.
♥ = character's debut
♠ = character does not speak throughout comic
♣ = character is mentioned only
♦ = character appear in a speaking/non-speaking cameo only
- Patrick McReary
- Francis McReary
- Gerald McReary
- Derrick McReary
- Kate McReary
- Maureen McReary-Wilson
- Hector Wilson
McReary Siblings' Friends
- Salvador Real
- Angel Chacon
- Eduardo Tena ♦
- Claude Tena ♦
- Jose Gonzales
- Steve Madison ♦
- Braulio Guillen ♦
- Armando Vasquez ♦
- J.J. ♦
- Joe Hill ♦
- Jason Parker
- Wendy Delgado ♦
- Drake Romero ♦
- Officer Charlie Macias
- Officer Fred Miller
- Mark Leone Jr. ♦
- Michael Jacob ♦
- Dr. Ethan Wintergreen
- Due to GTA Nerd disliking "Wisconsin's Greatest Hero" and this comic for the sad plot and out-of-character behavior of Packie, these comics were later deemed non-canon to the series. This makes this comic the second season finale in a row to be non-canon ("ApRiL fOoLs DaY: wIsCoNsIn StYlE!", and the first time that two back-to-back comics are non-canon.
- Interestingly, the April Fool's comic also had an appearance by Jason Parker.
- Second comic to have "brother" in the title following "Best Brother".
- Francis has flashbacks to "Hello, Wisconsin!", "Best Brother", "Like Father, Like Sons (And Daughter)", and "Straight Outta Green Bay" when he thinks about the good times and good quotes shared between him and Packie. Several of the dialogue in these flashbacks were slightly modified from the original lines for context.
- This is actually one of only four comics in the franchises to mention birthdays, which GTA Nerd has said the series will never have because the characters are not supposed to age at all no matter what year the series continuity is in. The only other times birthdays were mentioned are in:
- Sibling Rivalries: The Introduction, with Gerry's 'birthday gift' being the McReary familys' move to Green Bay.
- As a gag in "ApRiL fOoLs DaY: wIsCoNsIn StYlE!", the other characters tell the McReary siblings "happy birthday!", Packie breaks the fourth wall and says birthdays are not celebrated in this series.
- In the previous comic "Wisconsin's Greatest Hero", when Francis brings Packie breakfast in bed, Packie asks what is the special occasion, and asks "It's not my birthday, is it?"
- In this comic, Jason's birthday is mentioned because he is shown to have a happy birthday card addressed to him in his drawer, from the McReary siblings. The birthday card has a plane ticket from Vancouver to Green Bay, asking Jason to come visit sometime.
- Packie being the school president is apparently still true from "Patrick McReary: School President" in 2014.
- In this comic, Jason learns of Joel's evil ways, being surprised due to Joel being his friend and being nice in Sibling Rivalries: Vancouver Stories.
- This is the first comic to show a character on the toilet, in this case it was J.J., which could be a callback to his running gag of him always needing to use the restroom in Sibling Rivalries: Salvador Real's Adventures.
- Oddly, Jason's family were absent in this comic, which GTA Nerd was completely aware of when writing this comic, but simply ignored.
- Gerry does not mention anything related to football in this comic, although he is called "the football king of Wisconsin" by Jason.