Mr Twonkey sounds like the name of a bygone kids’ entertainer, and Paul Vickers looks the part, too, with a mop of curly hair atop a gentle face. He’s wearing what could be an admiral’s formal jacket, and is shambolic in his performance: props get tangled up, he messes up sound cues, and is forever demolishing his hotel scene. Take that leap of faith, and the dreamlike scenario he sets out in his very distinctive way makes a lasting, haunting impression. It’s a proudly eccentric show...