Look at that! CLEARLY we see a new addition to the Blues Brothers! Oh, not because he's played by John Goodman, not because he can sing the blues, not because they've made countless appearances together years before, but because of the astounding chemistry and unforgettable character traits that this movie gives him that, dare I say it, even rival that of Belushi. Watch this.
[Elwood and Mighty Mack give each other a pointing gesture
And there you go. That's all the character you need, ...