On second thought, purple being a squid wouldn't really fit, as the main rainbow friends are all bipedal

Purple could be an Angler fish (My personal theory)

Somebody said he had spikes on his back

I think indigo is a possibility since it is the last in the rainbow (idk if scientist counts)

Also pink

I think purple and green will be gone since tehy werent in the ride but purple still could be cuz vEnTs

Greens mechanic is very different from the other friends i doubt they wouldn't include him

Here is what I think the real red will be

For Night 1, my prediction is we will have Pink and you will have to find flare guns. We have to find the flare guns so we can try and find help while being chased by Pink.

Night 2 will have both Black and White and you will have to find flashlights because Black cut off the power. Black cuts off the power because he is sensitive to light. White is not affected by light but is Black’s friend and is helping him.

Night 3 will have Purple out of the vents and we will have to find sponges because the park will be flooded. Purple breaks the plumbing because he needs/likes the moisture like we discovered in Chapters 1 and 2.

Night 4 will have Red and you will have to find all the keys to open the gate to leave. The gate is the only way to get to the forest to escape.

Night 5 we will have to run away from all the Rainbow Friends through the forest and will get captured by, you know who, Red. That's where Chapter 4 starts. All the nights will include all of the Rainbow Friends we encounter besides Blue. Blue isn't in this chapter.