Hoak is a large, Earth-like planet. From space, it appears to be yellowish. The inhabitants, the Hokages, love their planet.
It has been revealed that it is a doppel of Earth, following an identical orbit around an identical sun, tilted at the same angle, and rotating at the same speed.
However, it has many unknown and dangerous chemicals which, while being harmless to the natives, can cause the death of visitors from Earth.