Whoever.
Regardless of anything that.
Anything; thing(s) of unspecified kind, or no matter what kind; sometimes used to indicate that the speaker does not care about options.
Anything that; all that.
What ever; emphasised form of 'what', used to ask which thing, event, circumstance, etc.
In what way; to what extent.
At all; in any way; whatsoever.
Unexceptional or unimportant; blah.
A holophrastic expression used to dismiss something that the speaker doesn't care about, doesn't think important, or doesn't want to consider or discuss any further.
Something whose exact kind or nature is unimportant; a thingy.
What ever; emphatic form of 'what'.
Regardless of the ... that; for any ... that.
Any ... that; of no matter what type or kind that.
Any; of no matter what type or kind.