From Muppet Wiki

Glenn is an angel who serves as Daniel's supervisor in It's a Very Merry Muppet Christmas Movie. Glenn is a by the book middle-management type, who insists that he cannot send an agent to intervene in earthly affairs without a thorough review by the sub-committe. Yet he tries to be hip, addressing Daniel as "Dan" or "Danny."

Faced with Glenn's obstinance, Daniel decides to go straight to The Boss. Glenn initially assumes he's just "fronting off," but finally shakes his head at Daniel's "career suicide."