Troig (Earth-2042)

"Is that one guy or two?"

- Queen Padmé Amidala

Troigs are a sentient species native to the planet Pollillus. They have two heads, each head having its own personality and temperament. Both heads share the same awareness, therefore they are very alert and observant. Troigs are a very clever and curious species, able to learn many languages and produced plenty of great scientists.

Source

 * https://starwars.fandom.com/wiki/Troig