The unlikely success of this American cartoon import continues unabated with the release of a Mexican-made feature filmOne pleasure available for the modern culture-flaneur is picking out the curios of globalisation: the unlikely cultural friendships struck up. I never knew Top Cat (or Boss Cat, as British viewers may remember him) was big in Mexico until last week, when I saw that a new feature-length animation version had been squatting on top of their box-office charts like a patronising moggie on a trashcan.