Learning to sing like Quasimodo from The Hunchback of Notre Dame is a unique and interesting vocal journey. Quasimodo's voice is characterized by a gruff and somewhat strained quality, as well as a deep emotional resonance that echoes his longing for acceptance and freedom.

To start, it's important to work on breathing and posture, as these can greatly impact one's vocal performance. Singing Carrots provides great resources for this, such as the articles on breathing basics and good singing posture, and the breathing exercises like Farinelli Breathing and sustain vocal.

Quasimodo's voice also has elements of growling and vocal distortion. You can work on these techniques through exercises like How to Growl Exercise and vocal distortion. Additionally, practicing with twang can help develop a similar sound to growling, and Singing Carrots provides a great Twang Exercise for this purpose.

In terms of songs, Quasimodo's most famous song is "Out There," showcasing his emotional depth and longing. Singing Carrots' song search tool can help find similarly powerful and emotional songs that fit your vocal range.

Beyond technique, it's important to embody Quasimodo's vulnerability and emotional authenticity. Singing with intuition, skill, emotion, and thinking is an approach explained on this great article and one of the fundamental ideas behind Singing Carrots' educational singing course singing for beginners, which covers singing theory and practical tips to help you hone your craft and express yourself authentically.

With these resources, you can start your journey to learn to sing like Quasimodo. Remember to keep practicing, and always sing from your heart.