Katsuyu


 * Seiyu: Mamiko Noto
 * Voice Actor: Mari Devon

is the slug queen summoned by Tsunade. Compared to Gamabunta and Manda, the summons of Jiraiya and Orochimaru, respectively, Katsuyu is quiet and more subservient to her master. With her, Katsuyu can divide herself into smaller slugs to evade attacks or to serve small scale functions, and is able to quickly reform herself if need be. She can also spit acid for her, which is strong enough to melt through rock.

She is summoned again in a filler episode to mess with a pair of outsiders impersonating Might Guy and Rock Lee. In this instance, she had a cold and the two impersonators, along with a clueless Naruto, were forced to help out. (Although it is entirely possible that she was faking the cold in order to help Tsunade make the intruders lives miserable.)

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