Here are two theories that I find much more plausible than Excel.
Added: I said two theories, but the differences are small and not really relevant here. They agree on the essential point that it started as “Action! Mulder” (or something similar) with more normal spacing, with the exclamation point associated with the modifier and functioning pretty much as normal.
Here are two theories that I find much more plausible than Excel.
Added: I said two theories, but the differences are small and not really relevant here. They agree on the essential point that it started as “Action! Mulder” (or something similar) with more normal spacing, with the exclamation point associated with the modifier and functioning pretty much as normal.