Generate usernames (alphanumeric strings) using Java

Man :

What's the most efficient way to generate "meaningful" usernames (alphanumerical strings) using Java?

Usernames in this format:

LastSamurai33
DarkLord96
FallenAngel
IceQueen
LadyPhantom666
DarkSun

Thank you for your time.

Ken de Guzman :

You can use Java Faker to generate wide range of random fake data.

Here's an example

public static void main(String[] args) {
        Faker faker = new Faker();
        System.out.println(faker.superhero().prefix()+faker.name().firstName()+faker.address().buildingNumber());
        //MrSharon55747
        //IllustriousDock6698
        //CyborgDelilah207
        //GeneralAllison01931
        //RedWillard4366
        //TheJarvis71802
    }

Maven Dependency :

<dependency>
    <groupId>com.github.javafaker</groupId>
    <artifactId>javafaker</artifactId>
    <version>1.0.1</version>
</dependency>

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