|Robo Of Choice||Flare (CR1 & V2) & Flare Mk II (GX)|
|Game||Custom Robo (Custom Robo, Custom Robo V2, and Custom Robo GX)|
Karin is a major character within the Custom Robo series, first appearing in Custom Robo. She is Shinichi's childhood friend and is introduced to the Hero on the 1st day. She is a Promising Commander, easily winning 300 battles by the beginning of Day 3. She is quite popular in the neighborhood and is easily identified by her yellow bandana. However, she is fiercely competitive and hates losing. She also cannot tolerate Marv's at all.