(left) Yuri undercover
(right) Here's why Kei generally handles the introductions -- otherwise THIS happens:
Y: We're Trouble Consultants sent by the WWWA... our codename is 'Lovely Angels'... *giggle* I'm the talented and cu-uute Miss Yuri... aaand the incredibly strong roughneck is Kei.
K: Why... you...
Villain: 'Lovely Angels'? ... (Where have I heard that?) ... !! Better known by that evil name 'DIRTY PAIR'!
K: What...
Y: [mutters] How dare you use that insulting name...
K: ...did you SAY?! [tearing a conveniently-located (and load-bearing) pipe from the wall]