Yes, dwarf planets can have moons! In fact, several known dwarf planets in our solar system have been observed to have one or more natural satellites orbiting them. Here are some key points regarding dwarf planets and their moons:

### Examples of Dwarf Planets with Moons

1. **Pluto**:
   - **Moons**: Pluto has five known moons. The largest is **Charon**, which is about half the size of Pluto and is often considered a double dwarf planet system due to their size ratio. The other four smaller moons are **Styx**, **Nix**, **Kerberos**, and **Hydra**.
   - **Interesting Fact**: The gravitational interaction between Pluto and Charon is so strong that they both orbit a common center of mass (the barycenter) located outside of Pluto.

2. **Eris**:
   - **Moons**: Eris has one known moon named **Dysnomia**. Dysnomia is about one-eighth the size of Eris and is believed to be in a stable orbit around it.
   - **Interesting Fact**: Eris is one of the most massive known dwarf planets, and its moon has helped astronomers determine its mass more accurately through gravitational interaction.

3. **Haumea**:
   - **Moons**: Haumea has two known moons, **Hi'iaka** and **Namaka**. 
   - **Interesting Fact**: Haumea is unique because it has an elongated shape and is known for its rapid rotation, completing a rotation on its axis in about four hours.

4. **Makemake**:
   - **Moons**: Makemake has one known moon, informally called **MK 2**. It was discovered in 2016 and is much smaller than Makemake.
   - **Interesting Fact**: The discovery of the moon helped astronomers learn more about Makemake's size and composition.

5. **Ceres**:
   - **Moons**: Ceres does not have any known moons. It is the only dwarf planet located in the asteroid belt between Mars and Jupiter.
   - **Interesting Fact**: Ceres is unique among dwarf planets because it is the only one that lies in the inner solar system.

### Formation of Moons Around Dwarf Planets
Moons around dwarf planets can form through various processes, similar to how moons form around larger planets. These processes include:

- **Capture**: A dwarf planet could capture a passing object due to its gravitational pull.
- **Co-formation**: Moons can form from the same protoplanetary disk that forms the dwarf planet, leading to the co-formation of the two bodies.
- **Impact**: A significant collision with a large object could result in debris that coalesces to form a moon.

### Conclusion
Dwarf planets can indeed have moons, as demonstrated by several examples in our solar system. The study of these moons helps astronomers learn more about the characteristics, formation, and evolution of dwarf planets and their interactions with other celestial bodies.