I think it is worth mentioning that there is a giant armadillo kept at Sorocaba zoo. She is a fairly young animal but already quite large and rotund. I've actually had the pleasure of picking her up and she is quite hefty and has some very formidable claws.
In terms of her temperament she is very shy and spends a lot of the day in her burrow so it is unlikely that visitors will see her on a visit. However, if any of you should want to try to see her on a visit to Sorocaba then know that she is located in the first enclosure in the row that are opposite the giant otter and neotropical otter pools and alongside an enclosure holding meerkats and another with tapeti rabbits and porcupine. Occasionally she comes out during the day to nibble her food , drink or have a trot around but otherwise she is almost always nocturnal.
She shares her enclosure with a Southern tamandua and a pair of agoutis , the agoutis are alright but the tamandua can be a bit of a bully at times , not that it makes much of a difference with her armoured shell though.
Hopefully she will get her own enclosure at some point in the future but as I've mentioned in other comments the zoo has to make do with very limited space and funds.