Xavier Riddle 

Xavier Riddle is the 7-year-old main protagonist of the animated PBS Kids, children’s television series Xavier Riddle and the secret museum he is known for his love of history and traveling back in time to meet the heroic and historic figures in the past when they were children and they solve everyday problems to meet the heroic figures along with his little sister Yadina Riddle and their friend Brad meltzer and along with their robot friend berby and yadina‘s stuffed turtle animal named Dr. Zoom characters: Xavier Riddle: he is kind friendly heroic brave adventurous intelligent and knowledge of history and he is known to be from 7 years old to 8 years old Yadina Riddle: Xavier‘s younger sister who is bright intelligent curious sweet and kind with her stuffed animal dr. Zoom brad meltzer: the one who is a shy fearful sensitive easily frightened but also loyal to his friends along with a red cape and he does not like Time Traveller and it makes him dizzy if they go farther back: these three young children go back in time to solve problems with the heroic figures president, children figures to solve everyday problems with honesty sweetness kindness loyalty practice time and patience and Xavier and yadina is known for their catchphrase to the secret museum