Complex sentence: As it turned out that another group was already using that name, and the Canadian government demanded payment when they tried out The Sikusis (after yet another stuffed toy), they settled on The Just Us in early 1965.
Split into simpler sentences: As it turned out that another group was already using that name, they briefly switched to The Sikusis (after yet another stuffed toy). After the Canadian government demanded payment for their name, they settled on The Just Us in early 1965.