Channel 5 (first era)
Channel 5's original identity was developed by Wolff Olins for the retuning campaign that preceded the channel's launch.
A set of idents, similar to the original ones, was launched in April 2004.
The final set with this logo was launched on January 23, 2006, but didn't actually use the logo in them. Instead, various words connected to the ident were shown in the same font as the logo. The idents were created by BB/Saunders. 
New versions of the "words" idents came about in January 2007, with all the words replaced by "five".
Logo used by Five since October 6, 2008. The design agency behind the rebrand was DixonBaxi.
Channel 5 (second era)
Five was relaunched as Channel 5 On Valentine's Day 2011. The new logo is a circle with a 5 inside. This is similar to the logo of Philippines Associated Broadcasting Company (formerly ABC5) introduced the previous year.
A similar logo would later be used by WEWS-TV starting in mid-2016.
In February, the logo was changed in five years, this logo shows the five shapes of the number "5". This logo launched Thursday 11th February 2016.
No logo appears on new idents as the five entities appear, that the logo appear separately on break bumpers, and on promos and end-boards instead.
The logo has been criticised for looking like Channel 4's logo and Channel 7 in Australia
- For other related logos and images see: Channel 5/1997 Idents, Channel 5/2002 Idents, Channel 5/2008 Idents, Channel 5/2011 Idents, and Channel 5/2016 Idents
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