The term 'SECRET MIKE' can be broken down into two parts: the word 'SECRET' and the name 'Mike'. The crossword solution for 'SECRET' is BUG, which is a three-letter word. A BUG is an insect or other small creature, but it can also refer to a hidden defect or error in a computer program or system. In this context, it could be used to describe something that is hidden or kept SECRET. The name 'Mike' is a common name, derived from the Hebrew name Michael, meaning 'who is like God?'.