Findings:

• Roh Moo Hyun
• Click Clack Moo
• King Moo
• So rare you can still hear it moo
• moos (user)
• The Wild West C.O.W.Boys of Moo Mesa
• Moo Gi Gong
• CyberSphere MOO
• moo (user)
• &moo;
• Moo Goo Gai Pan
• Moo Shoes
• The Demon Moo (user)
• Moo Cow
• missy moo (user)
• moo moo (user)
• moo moo the cow cow (user)
• Duk Koo Kim
• Donald Duk
• Mo Duk Pai
• Long Duk Dong
• Chung Do Kwan
• Nancy Kwan
• Michelle Kwan
• Kwan Dao
• Ren Yi Wu Kwan Tang Sou Dao
• duk (user)
• moo
• Moo Stick
• MOO 2
• Mr Brown Can Moo! Can You?
• moo juice
• MOO Canada
• Hoi Jeon Moo Sool
• Moo Cow (user)

If you Log in you could create a "Moo Duk Kwan" node. If you don't already have an account, you can register here.