Dokonjō Gaeru
Dokonjō Gaeru (ど根性ガエル, lit. Gutsy Frog) is a Comedy manga series created and illustrated by Yasumi Yoshizawa. It was officially serialized in Shueisha's Weekly Shōnen Jump magazine from July 27, 1970 to June 14, 1976, collected into 27 tankōbon volumes. Two anime adaptations of the manga were produced by Tokyo Movie Shinsha, the first aired from October 7, 1972 to September 28, 1974 and the second aired from September 7, 1981 to March 29, 1982.
A live-action sequel is announced to air on NTV in July 2015.
Summary
While frog Pyonkichi is hopping in an empty lot in Nerima, Tokyo's Shakujii Park, middle schooler Hiroshi trips over a rock and squashes him. However, Pyonkichi is reborn as an imprint on the front of Hiroshi's shirt and now gives him advice and commentary on his life.
Characters
Pyonkichi (ピョン吉): Voiced by: Sachiko Chijimatsu, Voiced by Hikari Mitsushima. A frog who is crushed by Hiroshi, but his spirit lives on as a talking frog on his shirt, becoming a Flat Surface Frog (平面ガエル, Heimen Gaeru). Because said shirt is Hiroshi's only good shirt, he is always forced to travel around and interact with Hiroshi. They are equally obstinate and gluttonous and are always arguing like siblings. He is capable of jumping around and forcing Hiroshi to come along with him.