Hot answers tagged bionicle
Those appear to be Bionicle figures, a theme that was active from 2001 to 2009 (and making a comeback in 2015, I hear). The line focused on buildable "action figures" (aka "constraction figures"). See here: http://brickset.com/sets/theme-Bionicle
The yellow one is the Glatorian-era Mata Nui, the red one with the staff is a Toa Nuva-era Rahkshi (Turahk, to be specific), and the green spider-thing is a Toa Hordika-era Visorak (Keelerak) that has been placed upside-down. The other four are Metru Nui Matoran, without their masks; the lighting makes it hard to tell what elements they correspond to, but ...
You will find most LEGO pieces, including those that are specific to the Bionicle theme on Peeron. For example here are your particular mentions: Technic Bionicle Weapon Flame Sword 2 x 12 Technic Bionicle Weapon Blade 12L Technic Bionicle Toa Inika Zamor Sphere Magazine Technic Bionicle Weapon Midak Skyblaster with Black Housing Technic Bionicle Rhotuka ...
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