Edmund Blackadder to a lord ("Blackadder II"), a knight (""), a royal attendant ("Blackadder III"), a shopkeeper ("Blackadder's Christmas Carol"), to an army captain ("Blackadder Goes Forth"). Throughout each series, Blackadder is a self-serving, cynical opportunist concerned solely with increasing his own influence, status and wealth. His character is symbolized by the adder, the United Kingdom's only native venomous snake, which sometimes appears in the series as a visual motif. With the exception of the first Blackadder incarnation, Prince Edmund, each Blackadder is generally cynical, charismatic and intelligent. While he is haunted by bad luck, he is usually very capable of manipulating
Blackadder II electric guitar, and feature a black snake slithering about on a marble table. The snake, noncompliant to the wishes of its handler, is eventually removed and replaced with something related to the episode title, which in this series is always a single noun. The opening ominous string crescendo and imagery are a parody of the opening credits of the 1976 BBC television adaptation of Robert Graves' "I, Claudius". The closing titles use a different arrangement of the theme, sung by countertenor Jeremy Jackman, with lyrics (usually insulting Blackadder) that reflect the events of the preceding episode. The song is played