Pantomime traditions, especially "Peter Pan", are performed quite often, and a few American theatre companies produce traditional British-style pantomime as well as American adaptations of the form. According to Professor Russell A. Peck of the University of Rochester, the earliest pantomime productions in the US were "Cinderella" pantomime productions in New York in March 1808, New York again in August 1808, Philadelphia in 1824, and Baltimore in 1839. A production at Olympic Theatre in New York of "Humpty Dumpty" ran for at least 943 performances between 1868 and 1873, (one source says 1,200 performances), becoming the longest-running pantomime in history. In
Pantomime Harlequin was the first word (or the first word after the "or") because Harlequin was initially the most important character. The titles continued to include the word Harlequin even after the first decade of the 1800s, when Joseph Grimaldi came to dominate London pantomime and made the character, Clown, a colourful agent of chaos, as important in the entertainment as Harlequin. At the same time, Harlequin began to be portrayed in a more romantic and stylised way. Grimaldi's performances elevated the role by "acute observation upon the foibles and absurdities of society, and his happy talent of holding them up