Stock my 400g

[Maccoy]

Im in the Process of building my 400g tank and just started thing about stocking. Help me think of some great compatible matches for what i already have

Dimensions are

96x36x25
LxWxH

Going in for sure:Was
7" Silver Aro
6" Tiger oscar

Maby:
Thinking about tiger Dat's (idk feedback please)
Green Terror?
PBass?
Jardini or another Silver
Clown knife (dont know alot about em)



PLEASE HELP!