The pine tree symbol on the Shelter door in Deltarune is most commonly interpreted as representing Noelle’s family line, especially the Holiday family —and many fans specifically connect it to Carol Holiday or to Noelle/Dess-associated lore rather than a random tree icon.

What the current discussion says

  • The Shelter has three symbols: a pine tree, a police badge, and the Delta Rune.
  • Fan theories split mainly between Carol Holiday , Noelle/Dess , or a broader Holiday-family connection for the pine tree.
  • Some community speculation links the tree to a code associated with the Holiday family, which is why the symbol keeps coming up in bunker/Shelter theories.

Best read

If you mean “who is it supposed to be,” the safest answer right now is: the Holiday family symbol, not a confirmed single character.

If you mean “who do fans think it is,” the two biggest guesses are Carol Holiday and Dess/Noelle-related lore.

TL;DR

The pine tree on the Shelter is not confirmed in-game as one exact person , but the strongest fan consensus is that it points to the Holiday family.