What is a good title for picture book about criminal genius ages 11-13?

Here are some titles for a picture book about a criminal genius ages 11-13, playing with different tones and styles:

Whimsical/Humorous:

* The Great Escape of Gregory Gumption

* The Case of the Missing Cookies (and other Crimes)

* Mastermind McGee's Magnificent Mishaps

* 11 Years Old, 100% Genius, 0% Jail Time

* The Boy Who Could Steal Anything (Except Hearts)

Intriguing/Suspenseful:

* The Shadow of Eleven

* The Genius in the Shadows

* The Codebreaker Kid

* The Heist of the Century (and it's all his fault)

* The Puzzle of the Missing Penny

Heartfelt/Character-Driven:

* The Boy Who Loved to Solve Mysteries

* The Unexpected Hero

* The Genius Within

* Finding My Way (and a Few Stolen Treasures)

* The Price of a Perfect Crime

Tips for Choosing a Title:

* Consider the Tone: Is the book lighthearted or serious?

* Reflect the Plot: Does the title hint at the main events or the character's personality?

* Keep it Short and Catchy: A good title is memorable and easy to read.

* Target Your Audience: Think about what would grab the attention of an 11-13 year old.