Robert EO Speedwagon was introduced in JoJo's Bizarre Adventure in part 1 of the series. Since then, the SPW Foundation has played a major role in the series to help the Joestar line in times of need. So if you can get your hands on Speedwagon or Speedcart, as he is called in Anime Last Stand, you can expect the same treatment from him. He is a farmable unit and you can place him to quickly collect money, which also helps you upgrade your other units.
The new secret unit Speedwagon Waifu is THE NEW BEST MONEY UNIT in Anime Last Stand!
You need to make calls from Banner 2 to get Speedcart into ALS.
If possible, try to get the best Waifu because she drops more money because she can upgrade one more time.
Like Best Waifu, the range is not so good for Speedcart. Speedwagon also does no damage, when you deploy him you get 350 money per wave and at max level you get 15.5K money. Here are his stats:
