Fifteen (character)

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This character has the same name as an episode! "I don't think I've seen Fifteen (character) before!" — Four This page is about the character(s). For the episode, see Fifteen (episode).

Fifteen
First appearance	Fifteen
Latest appearance	More to Explore
Colour	White And Blue
Pronouns	Female
Height	15 blocks

Fifteen, or 15, is a Numberblock made of 15 blocks.

She is voiced by Teresa Gallagher.

Appearance

15 is made of 10 white blocks and 5 blue blocks. She has navy limbs and pink limbs. She wears a navy 5-stair-shaped mask and 2 boots, one white, and one light blue. She likes to be a step shape (or a pixelated triangle) more than a 3-by-5 or 5-by-3 rectangle. She also splits into a group of 5 Numberblocks (1, 2, 3, 4, and 5) known as the Super Special Secret Step Squad.

Prototype Designs

Gabe Sotillo's original design of 15 is green and is male with three star-shaped eyes - one is red, one is yellow, and one is blue. He has a blue left arm, a red right arm, and yellow legs.

TSRITW's design is similar to 8, because he is ANOTHER superhero. He calls 8 his sidekick.

Arifmetix's design is navy with 3 arm-gloves with one star on each; one of which is on her head. She has 3 star eyes, one blue, one green and one blue-green.

Arifmetix's other design has 10 white blocks with a red border and 5 more blue blocks. He wears sunglasses and has 4 arms, 2 dark red, and 2 dark blue. 3 arms have gloves, the 2 red and the blue, but the gloveless blue arm can stretch. He also has darker blue lips and legs.

MDZ’s 15 is blue with 3 arms with a glove on each hand 2 at the sides and 1 on top of the head (like Arifmetix’s)

ALARM BOB OMB's design of 15 is purple and pink.

Appearances

• Fifteen (Debut)
• Tween Scenes (Biggest Number)
• Step Squads (Biggest Number)
• Fifteen's Minute of Fame (Biggest Number)
• On Your Head (Biggest Number)
• Ten's Place (Biggest Number)
• Balancing Bridge (Biggest Number)
• Seventeen (Doesn't Speak)
• Eighteen
• Loop the Loop
• Nineteen (Doesn't Speak)
• Tall Stories (Doesn't Speak)
• Flights of Fancy
• I Can Count to Twenty
• Sign of the Times
• The Lair of Shares
• Fifty
• The Big One
• More to Explore
  • Total: 20

Gallery

Real 15

DOS 15

15 in 3x5 form

Fanart/Prototype Designs

TSRITW's design of 15

Arifmetix's first design of 15

MDZ’s version of 15, similar to {{U|Arifmetix}}'s

Arifmetix's other design of 15

Arifmetix’s 15 version 2 in Blocksworld

Arifmetix’s 15 version 2 upside down Blocksworld

Every form of my Blocksworld 15

Tvn owo’s Fifteen

Trivia

• 15 is the third Numberblock who is a multiple of 5.
• 15 is the only triangular block between 11 to 20, and also an only non-prime number between 11 to 20 of the odd numbers. (5 by 3)
• 15 is the second composite odd number. The first is 9.
• 15 is also the first multiple of five who does not have a star on her eyes but she also doesn’t have a glove, unlike 5 and 10.
• 15's numeral means:
  • 11 in Senary.
  • 13 in Octal.
  • 17 in Duodecimal.
  • 21 in Hexadecimal.
    • In the hexadecimal system, the numeral for 15 is F.
• 15 is the first odd number who's voiced by Teresa Gallagher.

Numberblocks characters

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Numberblocks	Discovered	Zero, One, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Eleven, Twelve, Thirteen, Fourteen, Fifteen, Sixteen, Seventeen, Eighteen, Nineteen, Twenty, Twenty-One, Twenty-Two, Twenty-Three, Twenty-Four, Twenty-Five, Twenty-Six, Twenty-Seven, Twenty-Eight, Twenty-Nine, Thirty, Thirty-One, Thirty-Two, Thirty-Five, Thirty-Six, Forty, Forty-Five, Forty-Nine, Fifty, Fifty-Five, Sixty, Sixty-Four, Seventy, Eighty, Eighty-One, Ninety, One Hundred
	Undiscovered / Non-physical	Forty-Two, Ninety-Nine, Two Hundred, Three Hundred, Nine Hundred, One Thousand, Seven Thousand, Ninety Thousand, Seven Million, Orders of Magnitude, Compound Numberblocks
	Alter-Egos	The Terrible Twos, Octoblock, The Three Threes, Octonaughty, Step Squad, The Four Fours
	Non-integers	Pi
Monsters		Flapjack Snaffler, Blockzilla, Big Tum, Twangle
Times Tables		One Times Table, Two Times Table, Three Times Table, Four Times Table, Five Times Table, Ten Times Table
Other		Fluffies, Squarey, Oblongy, Numberblobs, Aliens, Rainbows, Flatlanders, Sheep, Birds, What-Iffer, Rex and Rekenrek, Alphablocks, Colourblocks