The Animator (Adam), Composer (Tom), and Editor (David) characters are each an homage to their real-life counterpart's job.
Adam is an animator and did the character design for the game, Tom is a composer and did the music and sound design for the game, and David is a compositor/editor and created the game.
Additionally, the barista is an homage to Gina who is a voice-actor and provided some character vocals for the game.
Additionally, the barista is an homage to Gina who is a voice-actor and provided some character vocals for the game.