TIM Defender of the Earth

TIM is Tyrannosaurus Improved Model. He's a genetically modified dinosaur that the government have been growing in a secret bunker under Trafalgar Square. And he's on the loose, after the Prime Minister decides he's just too expensive to keep. He's huge and clumsy, and with just a few steps could crush much of central London. He tries to get away but something's calling him back...
Professor Mallahide is very very clever. But also slightly crazy. He's developed an amazing new invention