Simon Seville Costume
Channel the smartest chipmunk with a blue hoodie and round glasses.
Simon Seville is the brainy, tall, and highly intellectual member of Alvin and the Chipmunks. Known for his signature blue attire and round spectacles, he is a popular choice for easy solo, couples, or group costumes. This look is incredibly comfortable, recognizable, and simple to assemble using everyday wardrobe basics.
- Difficulty
- Easy
- Time
- ~15 min
- Budget
- $20–50
Try it on
See yourself as Simon Seville
One clear photo of yourself; we render you in this costume — face untouched, full body, about 20 seconds.
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What you need for a Simon Seville costume
Short on time? Buy it ready-made
Spirit Halloween sells the complete Simon Seville costume — one box instead of 5 pieces.
Oversized Blue Hoodie
A plain, bright royal blue pullover hoodie that fits slightly loose or oversized.
DIY: Use a plain blue sweatshirt and fabric glue to attach a yellow felt letter 'S' to the front if you want to match the classic cartoon style, though the modern CGI version wears a plain blue hoodie.
Round Black Glasses
Thick, round, black-rimmed costume glasses without lenses.
DIY: Pop the lenses out of an old pair of round sunglasses and paint the frames black.
Chipmunk Ears and Tail Set
A brown plush headband with rounded animal ears and a matching clip-on fuzzy tail.
DIY: Cut ear shapes out of brown and pink felt, glue them to a plain brown headband, and use brown faux fur or yarn to make a simple tail.
Dark Pants
Simple dark brown, black, or grey jeans or sweatpants to keep the focus on the blue top.
DIY: Any dark, neutral pants from your closet will work perfectly.
White Sneakers
Classic white canvas or athletic sneakers.
DIY: Use any clean white tennis shoes you already own.
Rather not assemble it? See ready-made Simon Seville costumes at Spirit Halloween ↗
How to put it together
- 1
Put on the dark neutral pants and white sneakers.
- 2
Pull on the oversized royal blue pullover hoodie.
- 3
Place the brown chipmunk ears headband securely on your head.
- 4
Clip the brown fuzzy chipmunk tail to the back waistband of your pants.
- 5
Put on the thick, round black-rimmed glasses.
- 6
Adjust the hood so it sits loosely behind the chipmunk ears.
Makeup & hair
Keep hair simple and tucked behind the ears, or styled neatly under the headband. For a fun touch, use a brown makeup pencil to draw a small, rounded triangle nose on the tip of your nose and three small whisker dots on each cheek.
Simon Seville for couples, groups, kids & more
- couples
- Pair up with Jeanette Miller, Simon's smart female counterpart who wears a purple sweater, glasses, and a ponytail.
- group
- Team up with Alvin (red hoodie with a yellow 'A') and Theodore (green hoodie) to complete the iconic Chipmunks trio.
- kids
- An adorable and comfortable choice for kids using a cozy blue fleece hoodie and a felt ear headband.
- Plus size
- An oversized royal blue unisex hoodie provides a comfortable, relaxed fit for all body types.
- pet
- A small blue pet hoodie paired with a lightweight elastic strap holding tiny brown felt ears.
Tips
- Choose a soft, breathable cotton hoodie so you stay comfortable and cool indoors.
- If your glasses keep sliding down, use a small piece of clear fashion tape on the bridge of your nose to hold them in place.
- For group photos, have Alvin stand in the middle looking mischievous while you strike a smart, analytical pose with your finger on your chin.
Simon Seville costume FAQ
- What color hoodie does Simon wear?
- Simon Seville wears a bright royal blue hoodie. In some classic animated versions, it is a blue sweater with a yellow 'S', but the modern CGI version wears a plain royal blue hoodie.
- How do I make a DIY Simon Chipmunk costume?
- All you need is an oversized royal blue hoodie, thick round black glasses, a brown headband with felt ears, and a clip-on brown tail.
- Is Simon's costume good for groups?
- Yes! It is one of the easiest and most popular group costumes when paired with Alvin (in red) and Theodore (in green).
Did you know? Simon Seville is the oldest of the three chipmunks, possessing an incredibly high IQ and a dry, sarcastic sense of humor that often keeps Alvin's wild schemes in check.