An open interval is an interval that does not include its end points. The open interval is denoted , although the nonstandard notation is sometimes also used. Croft, H. T.; Falconer, K. J.; and Guy, R. K. Unsolved Problems in Geometry. New York: Springer-Verlag, p. 1, 1991.
Banzai, Shenzi and Ed. Banzai is a Japanese cheer meaning ''Attack''. Shenzi comes from Swahili meaning ''Barbarous'' or ''Savage''. Ed (assuming it originates from the English name ''Edward'') means ''Wealthy Guard''.
Looking for the meaning of the name Kenzo, I found this site: http://www.babynamesworld.com/meaning_of_Kenzo.html ''Gender:Boy Origin:Japanese Meaning:Wise and three Pronunciation:(KEN zo) Form of: Kenzou Additional info:The Japanese name Kenzou may be written with the characters for ''intelligent; wise'' (ken) and ''three'' (zou).