Your dream is rich with symbolism and reflects various themes and emotions. Here are some possible interpretations of the elements within your dream:

1. Animals/Monkeys: The dog and monkey could represent aspects of your own personality or emotions. Dogs often symbolize loyalty and companionship, while monkeys can represent playfulness, mischief, or a need for freedom. The change from a dog to a monkey might indicate a shift in how you perceive your relationships or responsibilities.
2. Abuse and Protection: The theme of the animal being abused suggests a concern for those who are vulnerable, including yourself. You may feel a sense of responsibility to protect those who are suffering, or it could symbolize feelings of helplessness regarding a situation in your life.
3. Calling for Help: Your repeated calls for your grandpa might symbolize a need for guidance, support, or comfort in your life. Grandparents often represent wisdom, security, and a connection to family roots, indicating that you may be seeking solace or reassurance during challenging times.
4. Threatening Situation: The encounter with the armed robbers symbolizes feelings of vulnerability or fear in your waking life. It could reflect anxieties regarding safety or the unpredictability of certain situations. Your plea for mercy for the robbers indicates compassion and a desire for understanding, which may reflect your values in dealing with conflict.
5. Transformation and Prophecy: The conversation with your "friends" about naming the little brother and becoming a "prophet" could signify a desire for control or influence over your circumstances. It also touches on themes of change and possibly a belief in the power of words or actions to alter outcomes.
6. Emotional Release: The crying in your dream suggests a release of pent-up emotions. It’s essential to acknowledge your feelings and allow yourself to process them, as this can lead to healing.

Overall, this dream could reflect your inner struggles with responsibility, vulnerability, and the desire for connection and support. Consider reflecting on the current challenges or emotions you are facing in your waking life that may have influenced this dream. It may be beneficial to explore ways to seek support from loved ones or address any unresolved feelings you might have.