Kotatsu Neko is a large, white, ghost-like cat character from the anime series Urusei Yatsura. Known for its love of warmth, it spends most of its time lounging under kotatsus, which are low tables with heaters underneath. Despite its intimidating appearance, Kotatsu Neko is gentle and friendly, often providing comic relief throughout the series. It usually interacts with the main characters in humorous ways, contributing to the lighthearted and whimsical tone of the series. Kotatsu Neko embodies the quirky and fantastical elements that are characteristic of Urusei Yatsura.