Brandon Terrell is the author of numerous children's books, including six volumes in the Tony Hawk's 900 Revolution series and several Sports Illustrated Kids Graphic Novels.

When not hunched over his laptop writing, Brandon enjoys watching movies, reading, baseball, and spending time with his wife and two children in Minnesota.

Mariano Epelbaum is a Character Designer, illustrator and traditional 2D animator. Working professionally since 1996 in various disciplines of Animation and Illustration where characters that designs tend to be very expressive and original. Currently in art direction on several projects, always trying different styles and techniques.

As an animation artist, participated in outstanding productions in Argentina, as Character art director and character designer of Foosball, Argentine-Spanish 3D production directed by Juan Jose Campanella, Garcia Ferre movies Manuelita and Corazon, las alegrias de Pantriste; Micaela (Encuadre SA), Bahia Magica (Bitt Animation), the three films "Dibu" and TV series mi familia es un dibujo (Patagonik film Group), and scenes of the film Ogu y Mampaton ( Hook Up Animation). He has also worked in various animated commercials. In the field of illustration collaborated with Spanish publishers Edebe, Planeta De Agostini, Vicens Vives, Bromera, Imaginarium and Estudio Fenix.

He also did work for Alfaguara, El Gato de Hojalata, Pictus, Clasa, Grupo Editorial Norma, Puerto de Palos and Ediciones Urano from Argentina and Santillana from Puerto Rico, United States and UK.