I love how Kitsune Udon at this point can either mean:

• Ran × Reisen
• Junko × Reisen
• Reisen × Tsukasa

Hell, there is even a Tanuki Udon for Mamizou. There is also Zaru Udon if we slightly change the pronunciation for Biten. Oh, and there is... oh, my... Oyako Udon.