Have any of you tried assigning "classes" to your characters?

[DJZen]

Cloud heals and Tifa gets tons of status ailments.

Also

Some of the characters already resemble traits of FF classes. Clouds a Knight, Barret's a Gunner

Gunner is a FF class?

Cait Sith is a Theif

He's a WHAT? Since when do theives get slot machines?

Cid is a cross between a machinist and a dragoon

Huh?