Well, doohickey didn't work too well, either. However, I found this:
http://www.harborfreight.com/cpi/ctaf/displayitem.taf?Itemnumber=6834
Not as much as I was looking for, but at least I know the correct general term now. I guess shop guys in this forum are using sledge hammers to R&R their non-FE piston pins and axle bearings.
