Lemming Defence 
The Lemming Defense is considered a weak response to the King's Pawn Opening, as it develops the Knight to an inferior square, allows White quick and easy development, and opens no lines for developing Black's pieces. Therefore, the Lemming Defense is very uncommon.
Theory table 
For explanation of theory tables see theory table and for notation see algebraic notation
1. e4 Na6?!
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- Eric Schiller (2002). Unorthodox Chess Openings (second edition ed.). Cardoza. ISBN 1-58042-072-9. p. 302