The Boy in Finn costume is a character that appears in some Halloween-themed episodes. He wears the clothes of the protagonist of the animated series called Adventure Time, hence his name.

Appearance

He is a tall boy who (True to his name) wears the same clothes as Finn Mertens, which consists of a light blue shirt, dark blue shorts, white socks, black shoes and a green backpack. He also wears a white bag on his head to be the hat.

Prominence


Minor Characters from Season Sixteen
Alana Thompson | ‎Ambassador of Humans | Belarusian Farmers | Bigfoot Researchers | ‎Boy with Brown Hair | Boy with Green Coat | Brad Paisley | Bucky Bailey | Bucky Bailey's Bully Buckers | Cash For Gold Sign Holders | Cee Lo Green | Cupid Cartman | ‎Dean | Dr. Mehmet Oz | Elvis Presley | Gems Wholesale Clerks | General Tso | Grandma Stotch | ‎Hoffman and Turk Attorney | Hummer Salesman | India Manufacturing Inc. Workers | James Cameron | Jim Rome | June Shannon | Lance Armstrong | Lorraine | Luke Covina | Maria Sanchez | Michael | Mitt Romney | Mr. Billings | Newt Gingrich | Nichole Daniels | Nick Jabs | Obese Man ("Raising the Bar") | P.F. Pityef | Pharaoh of Egypt | ‎Professor Lamont | Randy Newman | Rick Santorum | Roger Goodell | Ron Paul | ‎Sir John Harington | Talking Cat | Thad ("Insecurity") | The Redbox Killers | ‎Toilet Safety Administration

See Also: List of Minor Characters from Season Sixteen | Season Sixteen


South Park students
6th Grader Leader | 6th Grader with Black Hair and Blue Shirt | 6th Grader with Brown Hat | 6th Grader with Cyan Hat | 6th Grader with Dark Blue Shirt | 6th Grader with Green Shirt | 6th Grader with Orange Coat | 6th Grader with Yellow Shirt and Brown Pants | 9th Grader with Purple Shirt | 9th Grader with Red Hood | Alex Glick | Allie Nelson | Annie | Annie Knitts | Andrew Sutherland | Ashley | Baahir Hakeem | Bartles | Bebe Stevens | Beth | Bill Allen | Billy Miller | Billy Thompson | Blonde Haired Girl | Bobby Palmer | Boy with Blond Hair | Boy with Blond Hair and Blue Shirt | Boy with Brown Hair | Boy with Brown Hair and Red Shirt | Boy with C Cap | Boy with Dark Green Shirt and Glasses | Boy with Olive Shirt and Black Pants | Boy with Red Shirt | Boy with Red Shirt and Blue Pants | Bradley Biggle | Bridon Gueermo | Brimmy | Bully Girls | Butters Stotch | Casey Miller | Christophe | Clyde Donovan | Craig Tucker | Crippled Girl with Brown Hair | Chad Handler |Damien Thorn | David Rodriguez | DogPoo Petuski | Dougie O'Connell | Douglas | Emily | Eric Cartman | Esther | Firkle Smith | Filmore Anderson | Flora Larsen | Fosse McDonald | Francis | Francis (Special Ed) | Gary Harrison | Girl with Blonde Hair | Girl with Pink Coat | Girl with Brown Coat | Gordon Stoltski | Goth Kids | Gregory | Heidi Turner | Henrietta Biggle | Ike Broflovski | Isla | Jake | Jason White | Jasper | Jenny Simons | Jessie | Jimmy Valmer | Josh Myers | Kal | Karen McCormick | Keifer | Kelly and Stacy | Kelly Morris | Kelly P. Gardner | Kelly Pinkerton-Tinfurter | Kelly Rutherford-Menskin | Kenny McCormick | Kevin ("Summer Sucks") | Kevin McCormick | Kevin Stoley | Kindergartners | Kip Drordy | Kyle Broflovski | Larry Feegan | Larry Zewiski | Libby Perkins | Liza Nelson | Lizzy | Lola | Loogie | Louis | Leslie Meyers | Marcus Preston | Mandy | Maria Sanchez | Mark Cotswolds | Meagan Ridley | Michael | Michael (Special Ed) | Mike | Mike Cooper | Mike Makowski | Millie Larsen | Monica Ryland | Nancy | Nate | Nathan | Nelly | Nichole Daniels | Patty Nelson | Pete Melman | Pete Thelman | Pete Thelman (3rd grader) | Peter Mullen | Pip Pirrip | Rebecca Cotswolds | Red McArthur | Sally Darson | Sally Turner | Samantha Dunskin | Sarah Peterson | Scott Malkinson | Scott Tenorman | Sef Furman | Shauna | Shelly Marsh | Sophie Gray | Stan Marsh | Tall Handicapped Boy with Blond Hair | Tall Handicapped Boy with Brown Hair | Tammy Nelson | Tammy Warner | Terrance Mephesto | Thad Jarvis | The 6th Graders | The 9th Graders | The Boys | The New Kid | The Ugly Kids | Theresa | Thomas | Timmy Burch | Token Black | Trent Boyett | Tommy Edwards | Tommy Turner | Tweek Tweak | Wendy Testaburger | Yao

See also:
List of Female 4th Graders | List of Male 4th Graders | Portal:Characters
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