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Possibly because of her doing drugs, Judy has a very dimwitted and sexual personality.
She always tends to have sex with random strangers and acts very idiotic around other people. And despite being Jewish, she knows nothing about Judaism except for the fact that the Nazis killed a lot of Jews in WW2, which has nothing to do with the religion itself. Moreover, she believes a sentient cheeseburger was the true leader of the Nazi Party, and that SpongeBob SquarePants is a nature documentary.
When Judy was five years old, she went to a park with two of her friends. When suddenly, a strange man kidnapped Judy and her friends and locked them in his basement for over 10 years. One day, he decided to let Judy escape and he kept the other two girls. This was revealed in Cody's Amiibo!.
At one point in time (presumably high school), Judy got pregnant with twins. The father is suspected to be Kamek, who works for Bowser, as the two kids share a striking resemblance and Cody is very intelligent, just like Kamek. It is possible Kamek left Judy because he needed to work, which may have been a factor into why Judy did drugs. She then would name the twins Cody and Katy respectively. The biological father of Katy (suspected to be Kamek) took custody of her, which is why she doesn't appear in videos that often.
When Judy was in high school, she wanted to be a cheerleader, but they wouldn't let her join the team because they said that she was too "ugly." So, Judy did drugs, a lot of drugs and she got kicked out of the school. Then, her parents kicked her out of their house and all she knew was slinging leg. Then, she met a pimp who would beat her. This was revealed in Cody's Missing!
After marrying Tyrone Nutkiss, Judy would take on the surname "Nutkiss" and her kids would adopt this surname as well, despite Tyrone not being the biological father of Cody or Katy. She also adopted Tyrone's religion, that being Judaism, after marrying him.
It is possible that she cheated on her husband, as they have been married for 15 years  and Cody is only 10 years old, but Tyrone is his step-father.
The puppet used to portray Judy is Sarah from Silly Puppets.
This list is incomplete, you could help by expanding it.
- Bowser's Mom
- Bowser Junior's 6th Birthday
- Cody's House
- The Big Thanksgiving
- Cody's Sleepover
- Bowser Junior's 1st Grade! Part 4
- Bowser Goes To The Movies! (Cameo)
- Mario's Thanksgiving Problem!
- Cody's Happy Hanukkah!
- Cool Cody!
- Cody's Birthday!
- The Purge!
- Bowser Junior Gets His Nose Pierced!
- Substitute Teacher!
- Cody's Missing!
- Chef Pee Pee The Octopus!(as Junior)
- SpongeBob SquarePants
- Her son
- Chef Pee Pee
- Brooklyn T. Guy 's mustache
- Cheating on her husband (Formerly)
- Flintstones gummies
- Feeling important
- Charleyyy and Friends
- Tyrone Calvin Nutkiss
- Chef Pee Pee
- Brooklyn T. Guy
- Raping People
- Abusing animals
- Seeing her son Cody get hurt.
- Nazi Cheeseburger
- Not feeling important
- Cody getting a B+ on his report card (only in Cody's mind)
- Tyrone cheating on her
- Chef Pee Pee (In Cody's House with Tyrone and Stuck!)
- Bowser (In Bowser Junior Gets Sick!
- Brooklyn T. Guy (though Brooklyn Guy enjoyed it, so It was not rape) and Chef Pee Pee (In Stuck!)
- According to the Bowser Juice Informercial in Super Bowl Commercials, Bowser mentions his other ex-wife, who left him for a black guy (possibly Tyrone Calvin). If this is true, then this means that Judy is Bowser's ex-wife.
- She works for PETA, as seen in Bowser Junior's Pet!.
- In Cody's Sleepover, when she was checking for monsters, she said that they're wasn't any even though you could clearly see Chica and Bonnie ready to attack.
- She is the second character to be mentioned a lot in videos, the first being Bowser.
- In more recent videos, Bowser Junior and Joseph constantly crack jokes at her expense, mostly calling her a pig, displaying that they really don't like her.
- It is revealed in Cody's Report Card! that she doesn't like Cody much now after Cody admitted he lied.
- It is also shown several times that she has a very short attention span, and possibly even ADHD. She unintentionally changes the subject and interrupts a conversation of certain characters.
- It's also possible that she's being manipulated, and was so nonchalant when Bowser Junior and Joseph make fun of her.
- In Chilly's vlog, it is revealed that she is from Wales.[clarification needed]
- She did drugs when she was young, because people won't let her in the cheerleaders because she was too ugly.
- She calls her son Cody 'Codykins'.
- It is revealed in Cody's Sleepover that she is horrible with singing and playing the banjo.
- Judy made a small non-speaking cameo appearance in Bowser Goes To The Movies! as one of the moviegoers sitting to watch Charleyyy and Friends: The Movie.
- In Jeffy Gets Expelled!, Brooklyn T. Guy mentions he met someone in high school named Big Booty Judy. It is unknown if he was talking about her or someone else.
- She has been seen to be quite a neglectful parent as she did not take Cody home in summer school. 
- Her voice sounds similar to that of Linda Belcher from Bob's Burgers.
- ↑ Cody's 10th Birthday! (https://www.youtube.com/watch?v=dbSBlmYjIQo)
- ↑ Bowser Junior's Summer School 7 (https://www.youtube.com/watch?v=5a2fANi-sFY)