William

William is a 10-year-old knight in training, and brother of Elspeth. Considered the 'brains' of the group, he is expected to come up with ideas and inventions to get them out of their problems. William has a fear of robots, which he got as a baby, which is shown in the second series.

Trouble Ahead
Season 1, Episode 45

Quack quack
Season 2, Episode 21