Birthday One

Birthday One is a character in the Numberblocks Basics franchise.

Numberblocks Basics 2
Birthday One is white with grey cheeks, lips one black eye with a white pupil and she has black arms and legs.

The Numberland Trilogy
Same as above, but with grey hair, a smaller mouth, white stripes on her limbs and large black shoes to help her walk and stand up.

Personality
Birthday One in the original games is known to be a pranster, scaring other people for no reason and laughing at their reactions.

In the Numberland Trilogy, her personality is the exact opposite, pretending to be shy, but in reality, she wants to make friends, and will retaliate anyone who ignores her. She does this for attention.

Appearances
Her classic incarnation appears in these games. Her current incarnation appears in these games.
 * Numberblocks Basics 2
 * Numberblocks Basics 6
 * Ultimate Numberblocks Night
 * Ultra Numberblocks Night
 * The Numberland Trilogy
 * Ultra Numberblocks Night 2020
 * Numberblocks Basics 2 REMASTERED

Trivia

 * She mostly resembles the Marionette from Five Nights at Freddy's.
 * She can see through the dark, according to The Numberland Trilogy.
 * The only reason she acts shy is to get attention.
 * She never deactivates herself, rendering her as active 24/7.