by  Richard Coombs ); Marion, a “borderline- retarded ” [3]   cat  (voiced by  Dan Tetsell , performed by  Warrick Brownlow-Pike ); Kali, a grudge-bearing  pigeon  (voiced by  Katy Brand , performed by  Iestyn Evans ); and Vince, Nelson’s brother, a  sociopathic  foul-mouthed fox (voiced by  Paul Kaye , performed by