Fitz Fellow is the large and imposing gardener at Tangle Tower. Although he gives off an intimidating air, he's actually quite shy and unassuming. He is the cousin of Freya and Fifi, the nephew of Felix and Flora, as well as the fiancé of Penny, though he's also implied to have a secret romance with Poppy. He appears in Tangle Tower as a suspect in the Murder of Freya Fellow.