Already on sale in Ireland and Europe, the newcomer is due on UK shelves next month, backed by a £3m support package. The company predicted sales of £15m within a year.
Targeted at children aged five to 10, the individually-wrapped hazelnut cream-filled biscuit has a 3D, hippo shape, complete with eyes and a mouth. It is aimed at lunchboxes and eating on the move with a single biscuit retailing at 20p, and a multipack of five at 95p.
Support will include a four-week TV ad run in May.