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Characters / Xavier Riddle and the Secret Museum

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This is the Character Sheet for Xavier Riddle and the Secret Museum.

Please see the Creator or Useful Notes pages for any of the heroes featured on the show.

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Main Characters:

    Xavier Riddle
Ready for adventure?
Voiced by: Aidan Vissers
Xavier is the main character of the show. He's an excitable, impulsive kid who loves adventure and time-traveling. He's the leader of his group. His antennae are useful for time-traveling, and he has dials at the side of his hood to help translate foreign languages to English.

    Yadina Riddle
Voiced by: Zoe Hatz
Yadina is Xavier's sister. She's eager to go on time travel missions, like her brother. She is an unstoppable force who has many talents, a strong moral compass, and is determined to become the President one day. Yadina has a stuffed turtle named Dr. Zoom, who she carries around all the time.
  • Adorkable: She acts like an awkward dork when she's around George Washington.
  • Aerith and Bob: Yadina isn't really a normal name compared to Xavier.
  • Ambiguously Brown: Her ethnicity is unknown.
  • Brother–Sister Team: With her brother, Xavier.
  • Brutal Honesty: Although Yadina is very extroverted (not a wallflower at all), she is only six-years-old. This means that she can be very honest with just about anyone, and sometimes even blunt! For example, Yadina dislikes meanness of any kind, and she will let anyone who is not being friendly to another, know exactly what she thinks of their behavior.
  • Catchphrase:
    • "And where we'll go!"
    • "Hang on, Dr. Zoom!"
  • Companion Cube: Her stuffed turtle, Dr. Zoom, who she treats as a real person.
  • Crush Blush: She blushes and gushes around George Washington in "I Am George Washington".
  • The Cutie: Just look at her!
  • Genki Girl: Just like her brother, she's eager and enthusiastic about pretty much anything.
  • Girlish Pigtails: She wears her hair like this.
  • Girls Love Stuffed Animals: Yadina has a stuffed turtle named Dr. Zoom, who she loves very much.
  • Go-Getter Girl: Let's see; she's a star soccer player, a social expert, advocates for turtle rights and gender equality, and dreams of being president one day. Yep, she definitely fits the bill.
  • Growling Gut: This happened to Yadina twice in "I Am Neil Armstrong".
  • The Heart: She serves as the middle point between Xavier and Brad, balancing them out, and she has a strong sense of justice and compassion.
  • Hiccup Hijinks: The episode "I Am Florence Nightingale" has Yadina get hiccups on the day she plans to give a school report on cookies. Everyone then goes back in time to get help from Florence Nightingale. At the end, she then decides to do her report on hiccups, and she's cured.
  • Hopeless Suitor: Even though she clearly has a crush on George Washington, she can't be with him, because he inevitably married Martha Washington.
  • I Do Not Like Green Eggs and Ham: In "I Am Neil Armstrong", Yadina thinks she won't like a cheese and marmalade sandwich, but when she tries it, she likes it.
  • Incredibly Lame Pun: In "I Am Johann Sebastian Bach", Yadina makes a pun based on Bach's name, but Brad and Xavier don't think it's funny.
  • The Leader: "I Am George Washington" is about this trope. Yadina is picked to lead the Nature Troop, but proves to be a bad leader. The kids turn to the Secret Museum for help, and meet George Washington, who shows Yadina how to be a great leader.
  • Luminescent Blush: She blushed around George Washington constantly in "I Am George Washington".
  • Nice Girl: Polite to everyone and dislikes rude behavior.
  • Pink Means Feminine: She wears pink overalls.
  • Puppy Love: In "I Am George Washington", Yadina gets a crush on Kid!George Washington. Obviously, both of them are kids.
  • The Smurfette Principle: The only girl in the main cast.
  • The Social Expert: When faced with conflict, Yadina is an expert at making others understand a situation from someone else’s perspective, which ultimately requires empathy, self-awareness and self-regulation.
  • Time-Travel Romance: A one-sided one with George Washington.
  • Trademark Favorite Food: A cheese and jelly sandwich.

Voiced by: Wyatt White
Rounding out Xavier's group of friends is Brad, a shy, neurotic kid with an unhealthy obsession with butterflies and comic books. He has low self-esteem and is always reluctant to go on time-travel missions, but Yadina and Xavier encourage him to come along regardless.
  • Adorkable: He's a geeky little kid who's lovably awkward and endearing.
  • Author Avatar: He's one for Brad Meltzer.
  • Butt-Monkey: He always gets dizzy while time traveling, and doesn't want to go back in time yet is always dragged along. Not to mention that in "I Am Susan B. Anthony", Xavier and Yadina wouldn't let him have a say on what should go where in the Secret Museum, and in "I Am Alexander Graham Bell", he loses his voice and Xavier and Yadina do all the talking for him instead of listening to him.
  • Chick Magnet: A minor example, but he has so far he has attracted 3 girls to him: Catherine the Great, Eleanor Roosevelt, and possibly Emily Bronte.
  • Crush Blush: Blushes and gets nervous around Catherine the Great in "I Am Catherine the Great", as well as with Eleanor Roosevelt when she dances with him in "I Am Eleanor Roosevelt."
  • The Cutie: Especially with his little cape.
  • The Drag-Along: He always protests against going on time travel missions, but is always made to come along anyways.
  • Expy:
    • Of Charlie Brown, with both of them being unlucky, adorkable kids.
    • Of Sean Rafferty, with both of them being the token neurotic nerd in their respective groups. They even have a similar color scheme.
  • Heroic Self-Deprecation: Despite all of his accomplishments, Brad has a rather low opinion of himself.
  • Hopeless Suitor: For Catherine the Great, since she married a Russian prince in the future.
  • Jewish and Nerdy: He's Jewish, as revealed in "I Am Tomioka Tessai"note , and is a huge nerd due to his love of comics, knowledge of butterflies, and good math skills (judging by how he always accurately calculates how many years back in time the kids will go).
  • The Lancer: To Xavier. Brad is the opposite of Xavier; whereas Xavier is extroverted and excitable, Brad is introverted and cautious.
  • Luminescent Blush: So far, he has blushed in the following episodes: "I Am Marie Curie", "I Am Winston Churchill", "I Am Catherine the Great", "We Are the Bronte Sisters", "I Am Zora Neale Hurston", and "I Am Eleanor Roosevelt".
  • Nerd Glasses: Wears these type of glasses.
  • Nervous Wreck: Brad is always nervous over everything, especially when it comes to time-travel.
  • Nice Jewish Boy: A really sweet kid and is Jewish to boot (see the note on Jewish and Nerdy for more details).
  • No Social Skills: As shown in "I Am Catherine the Great", he is not very good at making new friends, but luckily, Catherine the Great showed him how.
  • Only One Name: We don't know his last name. We do, however, know his middle name, which is Scott.
  • Plot Allergy: Is allergic to cats and flowers.
  • Pretty Butterflies: Thinks this of butterflies. In "I Am Marie Curie", as he tells Marie about how much he loves butterflies, he imagines a flock of butterflies flying around him.
  • Puppy Love: He got a crush on Kid!Catherine the Great in "I Am Catherine the Great".
  • Red/Green Contrast: His green jacket contrasts with his red cape and Xavier's red hoodie.
  • Security Blanket: His cape acts as one for him. In fact, it was his blanket when he was a baby, as revealed in "I Am Zora Neale Hurston".
  • Sequential Artist: He likes to draw comics.
  • Shrinking Violet: Brad is pretty shy, and it's implied that he didn't have any friends prior to meeting Xavier and Yadina.
  • Start My Own: In "I Am Marie Curie", when Brad gets rejected from the butterfly club, he starts his own butterfly club for kids under 10 years old.
  • Superheroes Wear Capes: He likes to pretend to be a superhero, and wears a cape.
  • Tears of Joy: Brad cries these tears after Xavier gives an amazing performance at the school talent show in "I Am Johann Sebastian Bach".
  • This Loser Is You: Sure, he's a neurotic nerdy Butt-Monkey, but he's also relatable to many viewers, and has become the most popular character on the show as a result.
  • Time-Travel Romance: A one-sided one with Catherine the Great.
  • Token White: The only white character in the main cast.

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