DD Hokuto no Ken
English name: DD Fist of the North Star
Type: TV, Episodes: 12
Aired: Jan 12, 2011 to Apr 6, 2011
Source: Manga
Rating: PG-13 - Teens 13 or older
Synopsis:
Super-deformed version of Hokuto no Ken, Buronson &amp; Hara Tetsuo's post-apocalyptic fighting manga.

Note: The "DD" stands for "Design Deformation," since the characters are only "two-heads-tall."

(Source: AniDB)