Gray Yeon (연시은, Yeon Sieun; "Sieun Yeon") is the central protagonist of Weak Hero. Currently a first year at Eunjang High School in Class 1-5, he also attends Hero Cram School in the afternoons. Known by the epithet of "Eunjang's White Mamba" on the Shuttle Patch, he is also notorious for his fighting methods.

Height: 158 cm (5'2")
Shuttle Patch Rank: 8th (as of chapter 87)

(Source: Weak Hero Wiki)

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