Danny is a Proper Noun

Explanation:
- Proper nouns are specific names of people, places, or things, and they always begin with a capital letter.
- In this case, "Danny" is a specific name of a person, which makes it a proper noun.
- Proper nouns are used to identify a particular person, such as an individual's name (e.g., Danny), a specific place (e.g., New York), or a specific thing (e.g., Coca-Cola).
- The capitalization of the first letter in "Danny" indicates that it is a proper noun.

Example:
- Proper noun: Danny
- Common noun: boy

Comparison between Common and Proper Nouns:
- Common nouns refer to general names for people, places, or things, whereas proper nouns refer to specific names.
- Common nouns are usually not capitalized, whereas proper nouns always begin with a capital letter.
- Common nouns can be used to represent any person, place, or thing of a certain type, whereas proper nouns are used to identify a particular person, place, or thing.

Examples:
- Common noun: boy
- Proper noun: Danny

In conclusion, since "Danny" is a specific name of a person and begins with a capital letter, it is considered a proper noun.