Name: Masha/R-2000
Age: ---
Masha is named for Aoyama (who's first name is Masaya) and is a little robot that Shirogane created. In the manga he collects the aliens for capture and takes messages to Ichigo, and he's really more of Shirogane's. In the anime, he's an indicator of whether there's an alien around, hangs off Ichigo's phone or bag after shrinking himself and is more of a pet to Ichigo.

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