Misc: On which river is London, England?

Questions

Which breed of large dog, used by German nobility in the 17th Century to hunt boar and stags, is known there as the Deutsche Dog?

Which flying mouse, a cross between Superman and Mickey Mouse, appears in over seventy short cartoons in the Terrytoons series?

Which famous canine cartoon character was created by Hanna-Barbera in 1958 for the first all-animated television series?

Which breed of dog was introduced to Britain from Seistan province of Persia by John Barff, who exhibited it at the Kennel Club in 1907?

Mount Usborne, at 2,312 feet, is the highest peak in which British dependency?