Thinking of a film title

In todays lesson, my group and I are finding it so hard to think of a name for out film; we keep coming up with ideas but we can't seem to come to terms with them. Members of my group are not taking my ideas seriously because they think am a joke. I came up with the idea of calling out film 'bad popo' or 'Self Made Popo' and even 'the forgotten popo'- 'popo' is a slang word for police or detective while 'self made' is just basiclly someone who stands on his/her own. I thought these titles would be good as they are relevant to our story but my group thinks otherwise. At the moment our initial idea is 'Miss'in Murderer'. I don't know why but ok.