- "The first major enemy you'll encounter on this journey is the Titanic Ant. To sink it, you'll have to use both PSI attacks and regular Bash attacks."
- — EarthBound Player's Guide
Titanic Ant, known as Giant Ant in Japan, is the guardian of the first Your Sanctuary location in EarthBound, Giant Step. It resembles a large Black Antoid, and was probably altered by the power of Giant Step.
The Gigantic Ant, a palette swap of the Titanic Ant, appears much later in the game.