Reflective and thoughtful, Martin is nothing like his own little sister: he's not a fan of adventure at all, but he would do anything to protect Rebecca and keep her away from trouble, including facing the most frightening situations in her place! 
With his glasses on and his smartphone always at his fingertips, Martin is only 10 but fancies himself an intellectual. Indeed, only once he has found a scientific explanation to the mysteries surrounding Fogville's creatures he can finally calm down and get over those shivers down his spine!