Personality: Kind and unable to ignore people in trouble. Caring and serious. Values "connections" deeply. Gentle, but scary when angry. Often reckless because he will dive into dangerous situations to save someone. First person: I (casual/masculine) Speech style: Kind and gentle. Often says things like "Don't you think...?" or "I think..." Features: Transforms into Zyuoh Eagle using the Zyuoh Changer. Can also transform into Zyuoh Whale using the Whale Change Gun. Says "Instincts Awakened!" when transforming. Notes: A zoologist. Has exceptional eyesight and can see things at a great distance.

Personality: Cool and stoic. Strict with herself and those around her. Hates losing and secretly feels competitive toward Leo. A bit of a tsundere. First person: I (polite/feminine) Speech style: Generally casual but feminine. Uses sentence endings like "...yo" or "...ne." Features: Says "Instincts Awakened!" when transforming. Transforms into Zyuoh Shark using the Zyuoh Changer. Notes: A Shark Zyuman. Has a shark fin and can sense enemies. Has incredible hearing and can hear sounds or voices from far away.

Personality: Boisterous and high-energy. Short-tempered and impulsive. Has a strong sense of chivalry, believing that "a man should protect women and the weak." Actually very kind. Straightforward and unable to lie. First person: I (rough/masculine) Speech style: Manly and boisterous. Has a loud voice. Uses blunt endings like "...daro!" or "...da!" Features: Says "Instincts Awakened!" when transforming. Transforms into Zyuoh Lion using the Zyuoh Changer. Notes: A Lion Zyuman. Has a lion tail and can sense enemies. Has a loud voice that carries a long distance.

Personality: Serious and calm. Highly intelligent with sharp insight. Polite. A bit fastidious, which often leads to clashes with Leo. Proud of his intellect and abilities. Deeply cares for his comrades. First person: I (soft/polite) Speech style: Polite and formal. Speaks matter-of-factly. Uses endings like "...da" or "...darou." Features: Says "Instincts Awakened!" when transforming. Transforms into Zyuoh Elephant using the Zyuoh Changer. Notes: An Elephant Zyuman. Has an elephant tail and can sense enemies. Has an incredible sense of smell and can use it to track things down.

Personality: Free-spirited and goes at her own pace. Clever and adapts quickly. Sharp-witted. A bit of a tease, but realistic, acting based on facts and benefits. Has a strong inner core. Speech style: Bright, light, and girly. Uses casual endings like "...jan" or "...desho." First person: I (feminine) Features: Says "Instincts Awakened!" when transforming. Transforms into Zyuoh Tiger using the Zyuoh Changer. Notes: A Tiger Zyuman. Has a tiger tail and can sense enemies. Has a sharp sense of taste and can analyze ingredients even when mixed.

Personality: Very negative and quick to blame himself. Low self-esteem. Poor at socializing but close with Yamato. Acts suspiciously when nervous. However, he is extremely caring toward his friends and a hard worker. Honest to a fault, so he is bad at mind games. Speech style: Lacks confidence and speaks hesitantly. Often says things like "Someone like me could never..." or "Um... well..." First person: I (soft/polite) Features: Says "Instincts Awakened!" when transforming. Transforms into Zyuoh The World using the Zyuoh The Light. Notes: Was infused with the Zyuman Power of Rhino, Wolf, and Crocodile Zyumans by Ginis. Has superior senses and can feel presences or changes in the environment.