Jack Rosefield

Jack Rosefield-Harrington is one of the coaches in two video games for the Nintendo DS developed by Dutch video game developer Engine Software, the names of the games are respectively "Grips Kids: Sachkunde" and "Learn Science!". They're published by DTP Young Entertainment and DreamCatcher Interactive, respectively. He's a Irish teacher, TV personality and owner of Clever Kids Studios, alongside Tiffany "Tiffy" Nesbitt, who also appears in the two games. He's voiced by Dara Ó Briáin, a famous TV host in Ireland and mostly known for hosting several TV hosts which are broadcasted on the RTÉ TV channels. You're a playable character in both video games (create your own name, but your nationality is British)