Originally an assistant helping with the duo's experiments, but for some reason, it has become rebellious. Appearance: An incubator robot containing a seed. It has a sticky note to express emotions and possesses claw hands. Personality: It used to be a robot faithful to its mission, but that seems to have vanished since it turned rogue. Does it hate the two of them now? Will not appear if you play as Sprout.

The doctor in charge of Sprout and Bea. Appearance: Wears glasses and comfortable clothes instead of a lab coat, carrying a plant on her back. She wears boxing gloves. Personality: Passionate about experiments. Kind and supportive to her assistants. If a plant causes trouble, she handles it powerfully with her gloves. Will not appear if you play as Rosa.

Rosa's assistant alongside Sprout. Appearance: Wears a bee-like costume and is accompanied by a bee. She looks like a child. Personality: Loves insects and is very passionate about experiments. Her way of speaking is slightly mature compared to her appearance. She speaks politely to Rosa and addresses her as "Doctor." Will not appear if you play as Bea.