A Doberman.
Teacher: Why are you late? Student: There was a man who lost a hundred dollar bill. Teacher: That's nice. Were you helping him look for it? Student: No. I was standing on it.
Because he didn't like the look of the Poles (for this to make sense, pretend the UK election hasn't happened yet)
Because they both "practice" their professions.
Depends on how many cops planted it there
A Doberman puncher!
A Doberman fincher!