What's that one artist that makes pixel art and has a OC that's a light blue bunny with blue hair? And what's their patron?

The artist you're thinking of is likely "Mochi" (also known as @mochikoma on platforms like Twitter and Tumblr). Their original character (OC) is named "Sorrel," who is a light blue bunny with blue hair. Mochi is known for their pixel art style, and they have a supportive community of fans on various platforms. As for their patron, it's common for artists to have a Patreon account where they share exclusive content and connect more closely with their supporters. You may want to check their social media for specific links or details!