The Bash Street Kids virus on the robot teacher's disc drive. Sidney, whose real name is Sidney Mason Pye is Toots' twin brother, whose spiked haircut resembles a chimney-sweeping brush. He is a trickster, with Smiffy a frequent target. When the kids rehearse a nativity play, Smiffy asks what sound a sheep makes. Sidney replies "Woof", and he and Wilfred go into hysterics when Smiffy ruins the rehearsal. He makes pithy remarks about the other kids, to the amusement of those around him; he and Spotty fight several times when the latter is a target. Sidney loves animals and has a wide variety of
Dennis the Menace and Gnasher Street leader, outwitting Dennis and his cronies and Dennis angrily blaming it on Roger. Whilst a rivalry with The Bash Street Kids was touched on before in other strips, it was this story which made the rivalry far more well known. Several succeeding feature length strips after, usually drawn by Mike Pearse or Kev F. Sutherland, further depicted the rivalry even to the point it would get violent. He also made other appearances in the spin-off Bash Street Kids - Singled Out, where he would take on a similar role. In the same year, Dennis became a major mascot for