At the café in California, after Piper had explained that Gaea was behind her father's kidnapping, and the incident soon to happen at the Wolf House, Jason spoke up.

"In Latin, Gaea is referred to as Terra, but she's so old that we just use the Greek name most of the time."

"Gaea, huh?" Leo said. "She sounds Terra-ble." Coach Hedge grinned.

"Dude, don't EVER say that again," Jason replied, sighing.

From The Lost Hero.