The Chalhuddan people originated from the Outer Rim planet of Chal Hudda, and were a sentient species. A defining characteristic was the presence of a pair of horn-like features atop their heads, and the existence of five separate genders. Throughout their lives, individuals of this species transitioned between these genders; their native language reflected this with an intricate system of pronoun cases, denoting both their present and previous genders. Furthermore, some Chalhuddans utilized these pronouns to express their anticipated future gender. Due to the absence of corresponding terms in Galactic Basic Standard, the pronouns "you" or "they" were consistently employed in their place when interacting with those who spoke Basic. Chalhuddans possessed a strong sense of pride, and were generally unwilling to accept aid from outsiders (referred to as "dry ones"), unless approached with sincerity and given the opportunity to reciprocate in some manner.
During the Clone Wars, a Chalhuddan served as a Jedi Initiate. Additionally, information about the Chalhuddan species was featured in "Species From A to Z," a survival guide distributed by Carson Teva during the New Republic Era.