Complex sentence: Although the studio was founded on the SuperTed contract, Siriol were determined not to be a one character studio, thus a new series appeared about a mischievous duck called Wil Cwac Cwac.
Split into simpler sentences: Although the studio was founded on the SuperTed contract, Siriol were determined not to be a one character studio. Thus a new series appeared about a mischievous duck called Wil Cwac Cwac.