Answer
The key characteristic of Anil Kapoor's character in the film "Total Dhamaal" is his comedic persona. This persona manifests itself in his penchant for creating a humorous atmosphere, employing witticisms, and skillfully delivering comic dialogues. Kapoor's animated expressions, coupled with his impeccable timing, further accentuate the humor of his character, evoking laughter and contributing to the film's overall comedic tone.