Nick what?

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Across
  1. 2. A nickname that holds 50% with the last letter repeated at the front.
  2. 6. (A2) Joachim is Dianne's proffesional at this.
  3. 7. Usually substituting "Joa" to a Japanese Animated Series.
  4. 8. A chinese fish considered to be lucky
  5. 9. A rare nickname that is a lengthened version of the word "Matt"
Down
  1. 1. A misspell of the nickname relating to a spanish/portuguese cuisine/food.
  2. 3. "Sleep dashing"
  3. 4. They mispelled my name... Or its just auto-correct's fault.
  4. 5. (A1) Alongside A2, is apart of an embarrasing nickname usually seen in the trio group.
  5. 8. A japanese fox found in folklore