Why did the orphan have an empty bowl?
Because they already ate their supper.
Empty Bowl
Explanation
Explain Bear
Listen up, buttercup. The joke is that the orphan's bowl is empty because they scarfed down all their food already. It's funny 'cause, like, orphans are supposed to be sad and hungry, but this one ain't! You are kind of a dodo, aren't you?
Deez nuts
That has no punchline