What are the three characters in the Lamb poem How are they interrelated in the Lamb poem?

In the poem "The Lamb" by William Blake, the three characters are the speaker, the lamb, and the creator (symbolized as God). The speaker questions the lamb about its origins and existence, highlighting the relationship between the innocence of the lamb and the benevolent nature of the creator. Through this interrelation, the poem explores themes of innocence, creation, and divine love.