Dewey Denouement was a sub-sub-librarian whom the Baudelaires met during their stay at the Hotel Denouement. He allowed the Baudelaires to come and work at the hotel. He was the eleventh (unofficial) guardian of the Baudelaires.
You can add as many animals as you like in as many breeds as you like. The only rule is do NOT be weird about "spirit animals;" see here for more info: https://www.wellandgood.com/spirit-animal-native-american/
