Shiratsuyu Class Destroyer, Yuudachi, is known for her verbal tic “Poi” which she occasionally appends to the end of her sentences in the Kantai Collection browser game and anime. Curious fans have kept track of how many poi’s she has done in each episode of the anime:
Compilation videos were also made:
Prior to the Kantai Collection anime debuting, Yuudachi was the mascot of the second branded coolant water release (after Shigure):
A POIPOIPOI version of Kyary Pamyu Pamyu’s PONPONPON was also made:
Source: Crunchyroll, Kaztsu, Yusa Yusaani
