This dream presents a rich tapestry of symbolism and themes that can offer insight into your subconscious thoughts and feelings.

1. Narrow Hallway: A narrow hallway often symbolizes a transition or a journey you are undergoing. It may represent feelings of being confined or limited in some aspect of your life, but it also suggests that you are moving toward something new.
2. Old Man and Dogs: The old man could represent wisdom or a mentor figure, while the two dogs signify companionship, loyalty, or perhaps aspects of yourself. Their identical appearance suggests a duality or a conflict within you, particularly regarding how you perceive authenticity versus imitation.
3. Frankenstein Dogs: The namesake of the dogs being "Frankenstein" evokes themes of creation, loss, and the fear of the unknown. The dead dog symbolizes something that has been lost but still holds significance for you, while the alive dog represents superficiality or the façade that people often prefer.
4. The Dead Dog: Your bond with the dead dog indicates a willingness to embrace the past, including its imperfections and losses. This suggests that you may be more accepting of your own flaws or the darker aspects of your experiences, finding value in them rather than shying away.
5. Reactions of Others: The fear and discomfort others display upon learning about the dead dog can reflect societal attitudes towards loss, grief, or anything perceived as abnormal. Your lack of fear and fondness for the dead dog could indicate a unique perspective on life and death, acceptance of the complexities of existence, or a rejection of societal norms.

Overall, this dream may be urging you to explore deeper truths about yourself, embrace both the vibrant and the somber aspects of life, and recognize that authenticity may not always be comfortable. It could also be a call to accept and cherish your past experiences, even those that are painful or unsettling. Consider what aspects of your life or self-image reflect this duality, and how you can honor both the 'alive' and 'dead' elements within you.