I've shown pictures of my girls, but never introduced them formally:
Winter: 30 months old, Husky Dwarf rat
Spring: September 13 2022 - July 31 2024, Siamese Dwarf Dumbo rat
Summer: 28 months old, Berkshire Dumbo Dwarf rat (brown)
Autumn: January 7 2023 - February 12 2025, Berkshire Dumbo Dwarf rat (black)
(As of February 2025)