Letter love.
Lettercult, a blog that showcases the work of people who are 'obsessed with letters,' is a great reference when considering proprietary type and custom logos. The custom logos section of the site has some inspirational examples to get you started thinking outside of the box of traditional type and the typefaces already created for you. Get to know the inherent shapes of your letterforms while working on your logo designs and have fun following the standards of your brand's personality!