[As always, read the full description for lore...]
"Mine!"
"No, they're mine!"

Steele and Pitt are a pair of rather large, rather chonky Alpha Aggron females. Despite their size, they are some of the friendliest Pokemon in the daycare. Especially when it comes to staff...and guess who just applied for guard duty? You, champ!

They both seem to be very interested in you, problem is that they both want you all to themselves, and they don't seem to want to share.
Hope you don't mind getting hydraulic-pressed by two over-leveled multi thousand pound steel-plated dinosaurs~

Lore:
Steele and Pitt are both female Aggrons who live in the care of a Pokémon Daycare. A veteran Pokémon Trainer dropped them off there and hasn't come back since, so they kind of just live there now. The both of them don't really care all too much. Despite being both of them being absurdly high-level, fully evolved, and Alpha, the both of them are quite immature and naïve. Sure, they're fully evolved and both of them are Level 450 (which shouldn't even be possible, but that's what the Pokédex says.) and are much larger than what could be considered normal for your average healthy Aggron, but they're still pretty much clueless. Their trainer must've hatched them as Aron, and then fed them heaps of rare candy and stat-boosting items until they evolved into Aggron and were ready for hardcore tournament double-battles and single battles. Steele and Pitt aren't even truly related, but they see each other as kin regardless.

Over this star-studded career, Steele and Pitt earned quite the reputation as "The Indomitable Aggrons", because after all of those years of hardcore competitive battling, never once have they been KO'ed. The both of them have survived hundreds of attacks that would have taken out any other Pokémon in a single blow and remained able to fight.

Despite the fame and worldwide acclaim, the fame never concerned them too much. Steele and Pitt truly only cared about making their trainer happy. And winning is what made them happy, that that's what Pitt and Steele would do.

But because of their extensive battle record, Steele and Pitt have a lot of lasting battle damage and scarring on their bodies. They don't mind, they think that all of the damage makes them look more attractive to potential partners. They even remember some of this battle damage so well, it's as if they'd just received it.

They both have a limited understanding of most things due to only really being used for battle and nothing else. Steele and Pitt aren't familiar with a lot of complex words or life outside of battling. Maybe you can show them what they're missing?