Fast Friends

FAST FRIENDS
== What are Fast Friends? ==
Fast Friends are special types of, as you guessed it, friends. You can only start hatching Fast Friends from Vending Machines from Green Hill to Hill Top once you complete Hill Top Adventure, which unlocks other items aside from it. These have a special type of rarity called "Fast Friends." These pets cost Red Star Rings in their respective vendors along with 3 other Friends. 
== So... How do you obtain said Fast Friends? ==
Speed on over to the Mastery + Evolution domain, where you can acquire and evolve Fast Friends. Using the "FAST FRIEND EVOLUTION" gizmo will help you evolve your Fast Friends, meanwhile the "FAST FRIEND VENDING MACHINE" will help you obtain said Fast Friends; in total, there are 25 Fast Friends in-game, 12 being obtainable from permanent events or Zone vendors.
The vendors expand from Green Hill Zone to Hill Top Zone, whereas there is a machine in Cyber Station Zone too. 
Below is all the Fast Friends, both obtainable and unobtainable. 
Fast Friend 	Image	Obtaining method 	Bonus Stat(s)
Cheese The Chao 	 	Eggstra Foolish 	
Chocola Chao 	 	Chao School 	
Toy Robot Sonic 	 	Green Hill Zone Friend Machines 	
Holiday Toy Robot Sonic 	 	Holiday Shop 	
Toy Robot Summer Sonic 	 	Podium 	
Toy Robot Super Sonic 	 	Holiday Shop 	
Toy Robot Tails 	 	Green Hill Zone Friend Machines 	
Holiday Toy Robot Tails 	 	Holiday Shop 	
Toy Robot Knuckles 	 	Emerald Hill Zone Friend Machines,Race shop 	
Toy Robot T.H. Knuckles 	 	Lost Valley Zone Friend Machines,Race shop 	
Holiday Toy Robot Knuckles	 	Holiday Shop 	
Toy Robot Shadow 	 	Lost Valley Zone Friend Machines,Race shop 	
Holiday Toy Robot Shadow 	 	Holiday Shop 	
Toy Robot Summer Shadow 	 	Podium 	
Toy Robot Amy 	 	Emerald Hill Zone Friend Machines 	
Holiday Toy Robot Amy 	 	Holiday Shop 	
Toy Robot Summer Amy 	 	Podium 	
Toy Robot Kunoichi Amy 	 	Podium 	
Toy Robot Silver 	 	New Yoke City Zone Friend Machines,Race shop	
Toy Robot Rouge 	 	New Yoke City Zone Friend Machines 	
Toy Robot Cream 	 	Hill Top Zone Friend Machines,Race shop 	
Toy Robot Blaze 	 	Hill Top Zone Friend Machines,Race shop 	
Holiday Toy Robot Blaze 	 	Holiday Shop 	
Toy Robot Metal Sonic 	 	Cyber Station Zone Friend Machines 	
Toy Robot Summer Jet 	 	Podium 	
Other ways to obtain them include:
*The Fast Friends Event, which you can unlock 5 Fast Friend Sonics there.
*The shops of the game, i.e. the Holiday Shop and Race Shop
*Podiums
==Evolving==
To evolve Fast Friends, go to The Fast Friend Evolution area, where you can evolve all your Fast Friends! To Evolve them, go close to the Evolution Machine for the UI pop up, pick a Fast Friend you're going to evolve, then pick either other Fast Friends or Chao. Each upgrade attempt costs Red Star Rings (RSR), and the amount of RSR needed depends on the Star Rank of the Fast Friend you're trying to upgrade: 
* Star Rank 1 -> Star Rank 2; Cost: 20 
* Star Rank 2 -> Star Rank 3; Cost: 50 
* Star Rank 3 -> Star Rank 4; Cost: 200 
* Star Rank 4 -> Star Rank 5; Cost: 300 
* Star Rank 5 -> Star Rank 6; Cost: 500 
Adding Fast Friends or Chao to the machine will increase the odds of the upgrade succeeding, with Fast Friends of the same Star Rank as the one you're trying to upgrade being the most efficient by adding 20% each to the total chance, so a set of 5 have a 100% of making the upgrade succeed.
If the upgrade is unsuccessful, the Fast Friends or Chao that have been put in the machine will not be used up, and will instead stay in their slot, but the RSR needed for the upgrade will be used up.
If the upgrade is successful, however, the Fast Friends or Chao and the RSR cost of the upgrade will be used up, and the Star Rank of the Fast Friend will go up by 1.
The most optimal strategy to upgrading Fast Friends depends entirely on your Luck stat, but can be calculated using our calculator (for full details, check out "Fast Friend RSR Cost Calculator"). The calculator will tell you the lowest price for each Star Rank accounting for the price of a single Star Rank 1 Fast Friend, as well as the chance of the upgrade succeeding and the Fast Friends you'd need to use for the upgrade. Simply put in the chances of getting one from the vending machine in Green Hill Zone (<30%), or the combined chance of getting any Fast Friend from the same vending machine (>=30%). Alternatively, change the setting from "%" to "RSR" and input the amount of RSR your average Fast Friend costs. In the case that you're using Toy Robot Metal Sonics, you could set the price to 0 RSR (not 0%), and the calculator will tell you how much RSR the upgrades alone will cost.
==What do these Fast Friends do? ==
These friends have A LOT of stats; they rival your best Friend and overtake them, starting at Star Rank 3. They are also useful in speeding up the Character Mastery process by adding steps when fused into Characters. To find out exact numbers, check out here! 
===Secondary Stats ===
Same Stats as your best Friend pretty much when you buy them, but they have an extra stat. Sonic & Cream have Luck , Shadow, Amy & Blaze have Stamina , Knuckles, Tails & Silver have Magnet , Metal Sonic has Stamina & Luck , Cheese has Event & Luck and Chocola has Stamina & Event !
===The Ordinary % of a Fast Friend===
Star Rank 1 - 90% (Cuts 10% off your best Stats)
Star Rank 2 - 100% (Exact same as your best Stats)
Star Rank 3 - 110% (10% more than your best Stats)
Star Rank 4 - 120% (20% more than your best Stats)
Star Rank 5 - 130% (30% more than your best Stats)
Star Rank 6 - 150% (50% more than your best Stats)
Wow, surprising, can't you believe these just overtake your Best Chao by 150%?! I can't believe it either.
==Gallery==
File:FastFriendTitleScreen.png|The Iconic Hedgehog with his little friend!
File:Green Hill Zone - Fast Friends-Sales.png|Green Hill's Fast Friends and Sales!
File:Lost Valley Fast Friends.png|Lost Valley's Fast Friends!
File:Emerald Hill Fast Friends.png|Emerald Hill's Fast Friends!
File:New Yoke City Fast Friends.png|New Yoke City's Fast Friends!
File:Hill Top Fast Friends - Sales.png|Hill Top's Fast Friends and Sales!
File:Cyber Station Fast Friend.png|Cyber Station's Fast Friend!
File:ToyMakerTailsPodium.png|The Event connected to said Machines!
File:Sonic Fast Friend - Locked..png|He's stuck, save him!