Yasushi Usada, more commonly known by her nickname 'Puchiko', is a main character in the anime series Di Gi Charat. She is a quiet, deadpan girl from planet Analogue who often follows Dejiko around. Despite her small stature and cute appearance, Puchiko is known for her calm demeanor and rare but sharp wit. She often provides comic relief and balance to the energetic personalities of the other characters, playing a key supporting role in their adventures at Gamers.