"Green is not a creative color."
-SketchbookSketchbook (also known as Notepad) is the sole antagonist in the first Don't Hug Me I'm Scared. She teaches the puppets about creativity. The Sketchbook also made two appearances in the second Don't Hug Me I'm Scared, and appeared again in Don't Hug Me I'm Scared 6. She is voiced by the series co-creator, Becky Sloan. Fans often refer to her as Paige   , while others call her "Nancy."   
She is a sketchbook with multiple pages. The main page is white with black lines for eyebrows and a mouth and two round eyes. During different scenes, Sketchbook's appearance changes as a new page is turned over. This includes multicolored hair, a page with a light bulb, a pages with a brain and the word time (with the "I" replaced with a clock), a page with leaves and sticks, a page with a realistic heart and a page depicting rain.
Sketchbook likes to be creative, however, she doesn't want anyone to interfere by using their own ideas. For example, when Yellow Guy suggests painting a picture of a clown, she pours ink over the painting and responds with "Whoa there friend, you might need to slow down," followed by a pause before it changes the topic. Later, when Yellow Guy says that green is his favorite color, Sketchbook's response is "Green is not a creative color" as she places a black "X" over the word.
- Didn't allow the puppets to be creative in their own way.
- Poured ink on Yellow Guy's clown picture.
- Said that green is not a creative colour.
- Indirectly caused the puppets to go insane and/or possibly hallucinate.
Don't Hug Me I'm Scared 2 - TIME - [Cameo]
HELP - [Cameo]
Don't Hug Me I'm Scared 3 - [Cameo]
Don't Hug Me I'm Scared 4 - [Represented by Oats box]
- The sketchbook is seen twice in Don't Hug Me I'm Scared 2 - TIME and once in Don't hug me I'm scared 3.
- Joseph Pelling mentioned on his twitter that Sketchbook's gender is paper. This is a joke as Sketchbook is obviously female.
- The Sketchbook is commonly known to fans as "Paige," however, this has been debunked; her official name is Sketchbook confirmed by the official website by clicking the first picture and placing the cursor at the bottom to bring up the caption.
- Strings were used for Sketchbook's movement.
- It does not seem to show its anger in the outside, only on the inside.
- Sketchbook states that green is not a creative color, although she has green her multicolored hair.
- Sketchbook states that green is not a creative color, but if you do a research about whether green is a creative color, or not, it turns out that the color green is conservatively creative. This supports the theory that Sketchbook may just dislike Yellow Guy.
- She can lift pages on her own.
- If somebody watches the first and sixth episode at the same time, the scene where Sketchbook covers in oil the clown painting is played at the same time where Yellow Guy gets drowned in oil.
- When Sketchbook shows the picture of the brain, the Temporal Lobe (the part of the brain that processes auditory information from the ears) is green. This could possibly mean that "Green is not a creative color" means that the ability to understand sounds is useless.