Wells sells potions, medicines, elixrs and ointments, always willing to assist Edgar, and his compatriots.
Similar to Edgar and the authors, he has a tendency to be eloquent, and he will often speak profusely about his line of work.
He supposedly perishes in Season Five, Episode One. It is soon revealed it was actually his dear compatriot, The Major-General who passed.
Song that entails he and his interests.
"My name is John Wellington Wells."