"Pat & Mic" joke

Pat and mic are in the army and the commander asks wat pats name is, he says "
pat"
after that the commander says run round the site 15 times so he does it and returns, the commander again asks pat what his name is and he says "
pat"
, the commander tells him to run round the site again 15 times so he does it and returns.The commander once again asks his name and he says "
pat"
, the commander says "
we in the army use our full names"
so pat says "
patrick"
.The commander moves on to Mic and the commander asks his name and he says "
mictrick"
.