Yonkoma
Yonkoma manga (4コマ漫画; "four cell manga" or 4-koma for short) is a comic strip format that generally consists of gag comic strips within four panels of equal size, following a structure known as kishōtenketsu. == Origin == Rakuten Kitazawa (who wrote under the name Yasuji Kitazawa) produced the first yonkoma in 1902.