Aliases
| Name | Aliases |
|---|---|
| Kiruru Samehada | Kirurin (キルりん) |
| Kisara Nanjou | Valkyrie |
| Kisara Nekogusa | Nekogusa |
| Kishar | Kisharu |
| Kishou Arima | CCG no Shinigami |
| Kiss | Kissu |
| Kisshomaru | Shiori |
| Kisshu | Quiche,Kish,Kishu |
| Kitana | Princess Kitana |
| Kitt | Applique |
| Kittonn | Kitton |
| Kitty | Chocolat |
| Kiwi Araga | Leopard, Leo-chan |
| Kiwi Watase | Nox Ryuugasaki (竜ヶ崎ノクス) |
| Kiyoh Littner | Kiyoh Bachika |
| Kiyoharu Hyoudou | Kiyoharu Hyodo |
| Kiyoko Otawara | Cinderella, Aschenputtel |
| Kiyomasa Senji | Crow |
| Kiyomi Kaharu | Rhythm Gymnastics Club Girl (新体操部っ娘) |
| Kiyonaga Matsumoto | Kristopher McLaughlin |
| Kiyoshi Gomikawa | Kyonshi (キョンシー) |
| Kiyoshi Inukai | Afro Gomez |
| Kiyotaka Ayanokouji | Kiyo-pon |
| Kiyotaka Ishimaru | Ultimate Moral Compass |
| Kiyotaka Yagashira | Holmes |
| Kiyotsugu | Kiyotsugu Kiyojuuji, Kiyotsugu Kiyojuji |
| Klara | Clara |
| Klaus | Clause |
| Klaus | Kumallus |
| Klaus Revia | Klaus Invidia, The Peaceable Crown |