Okay, here are a few pen names with rain, all with four words: Misty Rain Jiangnan 2. Full-time World 3. Stepping on the Snow in Search of Plum Blossoms The fog dispersed and the wind cleared Lord Tingyu 6 Flowing Clouds and Fog 7 Xiaoxiang Night Rain Clear Wind and Bright Moon 9 Unique in Jianghu Misty Rain Like a Dream I hope these pen names can help you!