Capricorns are stern audiences. They rarely laugh at others' jokes, not because they're unpleasant, but because they like dry comedy that most others miss.
Aquarius knows they lack the cadence, storytelling, and humor to make others laugh. They enjoy seeing and laughing at their friends' jokes.
Their one-liners, meant to make people laugh, often end up being gut-punching, tragic stories that make listeners feel bad for the Cancer.
Their punchline is always amazing, but it may take ten painful minutes of "oh wait, I forgot to tell you
Leos aren't hilarious, but they've perfected their delivery. They thrive on stage performance.