Who are your party members and when do you unlock them?

Here is a full listing of the party members and when you unlock them:

• Mario - you start with him
• Rabbid Luigi - you start with him
• Rabbid Peach - you start with her
• Luigi - you get him after completing world 1-5
• Princess Peach - you get her after the world 2 boss is defeated
• Rabbid Mario - you get him after completing world 2-5
• Rabbid Yoshi - you get him after completing world 3-5
• Yoshi - you get him after completing world 4-5