A character who conquers a scary creature.
From the pictures we can infer that they appeal to the interests in the beauty of Niagara Falls.
<span>"Sneaking around" would be a better synonym as it means to pry into others affairs or in a fashion not overt but with an eye to gathering information which can be used against the person being searched later on.</span>
D, Anxiously is describing how he is nervous.
Hope this helps!