Madagascar is purely fictional. The story and characters were invented by the creators to provide an enjoyable and imaginative adventure for the audience. There's no real-life basis for it.
Sure, there are proper 'Tiny Toons' fanfictions. They can be about the Tiny Toons' school days, with stories of their classes, teachers, and how they interact with each other in an educational environment. Or it could be about a holiday adventure where they celebrate a special occasion in their own zany Tiny Toons way. It's all about the creativity of the fans while keeping it suitable for all audiences.
According to the research of modern scientists, the formation of the colorful sand dunes in mauritius was mainly due to the uneven cooling speed of the volcanic rocks after melting. In addition, the crystals contained in the soil and the various metal components in the volcanic ash showed strange colors such as yellow, red, purple, red, and orange after being exposed to sunlight. These colored sand dunes were formed after volcanic activity, but why the colored sand didn't mix with each other was still an unsolved mystery. The color of the sand dunes would change according to the temperature. The color of the sand dunes was formed by the melting and condensation of metal and sand caused by volcanic eruptions.
A possible fanfiction could be set in a time when the group is facing some sort of danger while Gloria is pregnant. The story could show how her pregnancy doesn't stop her from being brave and helping the group. In fact, her motherly instincts could be what drives her to protect everyone, even in a difficult situation.
One common theme is friendship. When different characters from different universes meet in these crossovers, they often form new friendships or strengthen existing ones. For example, when Tiny Toons cross with other cartoon characters, they learn from each other and support one another.