WSLFetch is a tool bundled with the WSL Utilites (WSLU) package that prints out colorful Linux logos along with some basic information about the distro that you are using in Windows 10. The WSLU package is installed by default in Ubuntu 20.04 LTS and Kali Linux, but other Linux distributions require you to install it first. The tool is a shell that shows off what Windows Subsystem for Linux distribution you’re using in the Windows 10, you can do so in style.
Source: https://www.bleepingcomputer.com/news/microsoft/wslfetch-creates-colorful-windows-10-wsl-linux-information/